Answers

Subtract 21/16 from 70/98

1^st number: 70/98, 2^nd number: 1 5/16

70/98 - 21/16 is -67/112.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 16 is 784
   
   Next, find the equivalent fraction of both fractional numbers with denominator 784
2. For the 1st fraction, since 98 × 8 = 784,
   70/98 = 70 × 8/98 × 8 = 560/784
3. Likewise, for the 2nd fraction, since 16 × 49 = 784,
   21/16 = 21 × 49/16 × 49 = 1029/784
4. Subtract the two like fractions:
   560/784 - 1029/784 = 560 - 1029/784 = -469/784
5. After reducing the fraction, the answer is -67/112

MathStep (Works offline)

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

Related: ⁷⁰/₉₈-⁴²/₁₆ ⁷⁰/₉₈-²¹/₃₂ ⁷⁰/₉₈-⁶³/₁₆ ⁷⁰/₉₈-²¹/₄₈ ⁷⁰/₉₈-²¹/₈₀

Subtract Fractions Calculator