Add 60/4 and 21/81
1st number: 15 0/4, 2nd number: 21/81
60/4 + 21/81 is 412/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
60/4 = 60 × 81/4 × 81 = 4860/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
21/81 = 21 × 4/81 × 4 = 84/324 - Add the two like fractions:
4860/324 + 84/324 = 4860 + 84/324 = 4944/324 - 4944/324 simplified gives 412/27
- So, 60/4 + 21/81 = 412/27
In mixed form: 157/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4+42/81 60/8+21/81 60/4+63/81 60/12+21/81 60/20+21/81 60/28+21/81