Answers

Subtract 15/64 from 7/20

7/20 - 15/64 is 37/320.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 64 is 320
   
   Next, find the equivalent fraction of both fractional numbers with denominator 320
2. For the 1st fraction, since 20 × 16 = 320,
   7/20 = 7 × 16/20 × 16 = 112/320
3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
   15/64 = 15 × 5/64 × 5 = 75/320
4. Subtract the two like fractions:
   112/320 - 75/320 = 112 - 75/320 = 37/320

MathStep (Works offline)

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

Related: ¹⁴/₂₀-¹⁵/₆₄ ⁷/₂₀-³⁰/₆₄ ⁷/₄₀-¹⁵/₆₄ ²¹/₂₀-¹⁵/₆₄ ⁷/₂₀-⁴⁵/₆₄ ⁷/₆₀-¹⁵/₆₄ ³⁵/₂₀-¹⁵/₆₄ ⁷/₂₀-⁷⁵/₆₄ ⁴⁹/₂₀-¹⁵/₆₄

Subtract Fractions Calculator