Answers

Subtract 7/20 from 16/63

16/63 - 7/20 is -121/1260.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 20 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   16/63 = 16 × 20/63 × 20 = 320/1260
3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
   7/20 = 7 × 63/20 × 63 = 441/1260
4. Subtract the two like fractions:
   320/1260 - 441/1260 = 320 - 441/1260 = -121/1260

MathStep (Works offline)

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

Related: ³²/₆₃-⁷/₂₀ ¹⁶/₆₃-¹⁴/₂₀ ¹⁶/₆₃-⁷/₄₀ ⁴⁸/₆₃-⁷/₂₀ ¹⁶/₆₃-²¹/₂₀ ¹⁶/₆₃-⁷/₆₀ ⁸⁰/₆₃-⁷/₂₀ ¹⁶/₆₃-³⁵/₂₀ ¹⁶/₆₃-⁴⁹/₂₀

Subtract Fractions Calculator