Answers

Subtract 30/7 from 28/98

1^st number: 28/98, 2^nd number: 4 2/7

28/98 - 30/7 is -4/1.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 7 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 98 × 1 = 98,
   28/98 = 28 × 1/98 × 1 = 28/98
3. Likewise, for the 2nd fraction, since 7 × 14 = 98,
   30/7 = 30 × 14/7 × 14 = 420/98
4. Subtract the two like fractions:
   28/98 - 420/98 = 28 - 420/98 = -392/98
5. After reducing the fraction, the answer is -4/1

MathStep (Works offline)

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

Related: ⁵⁶/₉₈-³⁰/₇ ²⁸/₉₈-⁶⁰/₇ ²⁸/₉₈-³⁰/₁₄ ⁸⁴/₉₈-³⁰/₇ ²⁸/₉₈-⁹⁰/₇ ²⁸/₉₈-³⁰/₂₁ ²⁸/₉₈-³⁰/₃₅ ²⁸/₉₈-³⁰/₄₉

Subtract Fractions Calculator