Answers

Subtract 49/64 from 98/21

1^st number: 4 14/21, 2^nd number: 49/64

98/21 - 49/64 is 749/192.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 64 is 1344
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1344
2. For the 1st fraction, since 21 × 64 = 1344,
   98/21 = 98 × 64/21 × 64 = 6272/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   49/64 = 49 × 21/64 × 21 = 1029/1344
4. Subtract the two like fractions:
   6272/1344 - 1029/1344 = 6272 - 1029/1344 = 5243/1344
5. After reducing the fraction, the answer is 749/192
6. In mixed form: 3173/192

MathStep (Works offline)

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

Related: ⁹⁸/₂₁-⁹⁸/₆₄ ⁹⁸/₄₂-⁴⁹/₆₄ ⁹⁸/₆₃-⁴⁹/₆₄

Subtract Fractions Calculator