Answers

Add 81/60 and 56/5

1^st number: 1 21/60, 2^nd number: 11 1/5

81/60 + 56/5 is 251/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 5 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 60 × 1 = 60,
   81/60 = 81 × 1/60 × 1 = 81/60
3. Likewise, for the 2nd fraction, since 5 × 12 = 60,
   56/5 = 56 × 12/5 × 12 = 672/60
4. Add the two like fractions:
   81/60 + 672/60 = 81 + 672/60 = 753/60
5. 753/60 simplified gives 251/20
6. So, 81/60 + 56/5 = 251/20
   In mixed form: 1211/20

MathStep (Works offline)

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

Related: ⁸¹/₆₀+⁵⁶/₁₀ ⁸¹/₆₀+⁵⁶/₁₅ ⁸¹/₆₀+⁵⁶/₂₅ ⁸¹/₆₀+⁵⁶/₃₅

Add Fractions Calculator