Answers

Subtract 16/6 from 21/20

1^st number: 1 1/20, 2^nd number: 2 4/6

21/20 - 16/6 is -97/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 6 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   21/20 = 21 × 3/20 × 3 = 63/60
3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
   16/6 = 16 × 10/6 × 10 = 160/60
4. Subtract the two like fractions:
   63/60 - 160/60 = 63 - 160/60 = -97/60

MathStep (Works offline)

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

Related: ⁴²/₂₀-¹⁶/₆ ²¹/₂₀-³²/₆ ²¹/₄₀-¹⁶/₆ ²¹/₂₀-¹⁶/₁₂ ⁶³/₂₀-¹⁶/₆ ²¹/₂₀-⁴⁸/₆ ²¹/₆₀-¹⁶/₆ ²¹/₂₀-¹⁶/₁₈ ²¹/₂₀-⁸⁰/₆ ²¹/₂₀-¹⁶/₃₀ ²¹/₂₀-¹⁶/₄₂

Subtract Fractions Calculator