Answers

Subtract 70/49 from 6/28

1^st number: 6/28, 2^nd number: 1 21/49

6/28 - 70/49 is -17/14.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 49 is 196
   
   Next, find the equivalent fraction of both fractional numbers with denominator 196
2. For the 1st fraction, since 28 × 7 = 196,
   6/28 = 6 × 7/28 × 7 = 42/196
3. Likewise, for the 2nd fraction, since 49 × 4 = 196,
   70/49 = 70 × 4/49 × 4 = 280/196
4. Subtract the two like fractions:
   42/196 - 280/196 = 42 - 280/196 = -238/196
5. After reducing the fraction, the answer is -17/14

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ¹²/₂₈-⁷⁰/₄₉ ⁶/₅₆-⁷⁰/₄₉ ⁶/₂₈-⁷⁰/₉₈ ¹⁸/₂₈-⁷⁰/₄₉ ⁶/₈₄-⁷⁰/₄₉ ³⁰/₂₈-⁷⁰/₄₉ ⁴²/₂₈-⁷⁰/₄₉

Subtract Fractions Calculator