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Grade 4 Adding & Subtracting Like Fractions Worksheet with Answers

Grade 4 (US) · Year 5 (UK) · Class 4 (India) · Math

Unit 4: FractionsAdding & Subtracting FractionsCCSS 4.NF.B.3

Adding and subtracting fractions and mixed numbers that have the same denominator. This free upper elementary worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Adding & Subtracting Like Fractions

Grade 4 · Math

Score___ / 12

Name

Class

Date

Learning goal: Adding & Subtracting Fractions · CCSS 4.NF.B.3

Directions: Use the pictures to help you. Solve each problem. Show your work, then write your answer in the box.

Example

3/8 - 1/8 = ?

Answer: 2/8 (= 1/4)

RememberFraction wall

1 whole1/21/21/31/31/31/41/41/41/41/61/61/61/61/61/61/81/81/81/81/81/81/81/8
  1. 1

    1/4 + 1/4 = ?

    1/41/4
    Answer
  2. 2

    3/5 + 4/5 = ?

    3/54/5
    Answer
  3. 3

    4/8 + 3/8 = ?

    4/83/8
    Answer
  4. 4

    4/5 - 4/5 = ?

    4/54/5
    Answer
  5. 5

    8/12 - 6/12 = ?

    8/126/12
    Answer
  6. 6

    7/8 - 4/8 = ?

    7/84/8
    Answer
  7. 7

    9/10 + 6/10 = ?

    9/106/10
    Answer
  8. 8

    4/6 - 1/6 = ?

    4/61/6
    Answer
  9. 9

    2/4 - 2/4 = ?

    2/42/4
    Answer
  10. 10

    3/4 + 2/4 = ?

    3/42/4
    Answer
  11. 11

    2/5 - 1/5 = ?

    2/51/5
    Answer
  12. 12

    8/10 + 9/10 = ?

    8/109/10
    Answer

★ Challenge corner for fast finishers

Each scale balances. Scale 1: circle + circle + square = 27; scale 2: circle + square = 17. What is one circle worth?

27Scale 117Scale 2

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/4/add_like_fractions

Answer key (click to show)
  1. 1.2/4 (= 1/2)
  2. 2.7/5 (= 1 2/5)
  3. 3.7/8
  4. 4.0
  5. 5.2/12 (= 1/6)
  6. 6.3/8
  7. 7.15/10 (= 1 1/2)
  8. 8.3/6 (= 1/2)
  9. 9.0
  10. 10.5/4 (= 1 1/4)
  11. 11.1/5
  12. 12.17/10 (= 1 7/10)
  13. ★10 (challenge corner)

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How to use this worksheet

  • Use it as a 10–15 minute warm-up or homework task rather than a long drill.
  • Ask students to show their working so you can see where a mistake started, not just that it happened.
  • Mark it with the answer key together, then print a fresh version of the same topic to practise the questions they missed.

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Long Division Step by Step: An Easy Method (With Remainders)Divide, multiply, subtract, bring down — the four-step routine that makes long division manageable, with worked examples, remainders, zeros and two-digit divisors.What Are the Common Core and NGSS Standards? A Parent's GuideWhat learning standards are, how to read a code like 3.NF.A.1 or MS-PS1-2, what each grade covers in Math, English and Science, and how to use them at home.How to Help Your Child with Math Homework (Without Doing It for Them)Questions to ask instead of answers to give, what to do when the school's method looks different from yours, and how to handle frustration.

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