Answers

Subtract 14/64 from 70/21

1^st number: 3 7/21, 2^nd number: 14/64

70/21 - 14/64 is 299/96.

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,
   70/21 = 70 × 64/21 × 64 = 4480/1344
3. Likewise, for the 2nd fraction, since 64 × 21 = 1344,
   14/64 = 14 × 21/64 × 21 = 294/1344
4. Subtract the two like fractions:
   4480/1344 - 294/1344 = 4480 - 294/1344 = 4186/1344
5. After reducing the fraction, the answer is 299/96
6. In mixed form: 311/96

MathStep (Works offline)

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

Related: ⁷⁰/₂₁-²⁸/₆₄ ⁷⁰/₄₂-¹⁴/₆₄ ⁷⁰/₂₁-⁴²/₆₄ ⁷⁰/₆₃-¹⁴/₆₄ ⁷⁰/₂₁-⁷⁰/₆₄ ⁷⁰/₂₁-⁹⁸/₆₄

Subtract Fractions Calculator