Answers

Subtract 75/30 from 10/98

1^st number: 10/98, 2^nd number: 2 15/30

10/98 - 75/30 is -235/98.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 30 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 98 × 15 = 1470,
   10/98 = 10 × 15/98 × 15 = 150/1470
3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
   75/30 = 75 × 49/30 × 49 = 3675/1470
4. Subtract the two like fractions:
   150/1470 - 3675/1470 = 150 - 3675/1470 = -3525/1470
5. After reducing the fraction, the answer is -235/98

MathStep (Works offline)

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

Related: ²⁰/₉₈-⁷⁵/₃₀ ¹⁰/₉₈-⁷⁵/₆₀ ³⁰/₉₈-⁷⁵/₃₀ ¹⁰/₉₈-⁷⁵/₉₀ ⁵⁰/₉₈-⁷⁵/₃₀ ⁷⁰/₉₈-⁷⁵/₃₀

Subtract Fractions Calculator