Answers

Subtract 9/80 from 16/20

16/20 - 9/80 is 11/16.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   16/20 = 16 × 4/20 × 4 = 64/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   9/80 = 9 × 1/80 × 1 = 9/80
4. Subtract the two like fractions:
   64/80 - 9/80 = 64 - 9/80 = 55/80
5. After reducing the fraction, the answer is 11/16

MathStep (Works offline)

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

Related: ³²/₂₀-⁹/₈₀ ¹⁶/₂₀-¹⁸/₈₀ ¹⁶/₄₀-⁹/₈₀ ⁴⁸/₂₀-⁹/₈₀ ¹⁶/₂₀-²⁷/₈₀ ¹⁶/₆₀-⁹/₈₀ ⁸⁰/₂₀-⁹/₈₀ ¹⁶/₂₀-⁴⁵/₈₀ ¹⁶/₂₀-⁶³/₈₀

Subtract Fractions Calculator