Answers

Add 60/12 and 81/60

1^st number: 5 0/12, 2^nd number: 1 21/60

60/12 + 81/60 is 127/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 12 × 5 = 60,
   60/12 = 60 × 5/12 × 5 = 300/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   81/60 = 81 × 1/60 × 1 = 81/60
4. Add the two like fractions:
   300/60 + 81/60 = 300 + 81/60 = 381/60
5. 381/60 simplified gives 127/20
6. So, 60/12 + 81/60 = 127/20
   In mixed form: 67/20

MathStep (Works offline)

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

Related: ⁶⁰/₂₄+⁸¹/₆₀ ⁶⁰/₃₆+⁸¹/₆₀ ⁶⁰/₈₄+⁸¹/₆₀

Add Fractions Calculator