Add 30/2 and 81/60
1st number: 15 0/2, 2nd number: 1 21/60
30/2 + 81/60 is 327/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 2 × 30 = 60,
30/2 = 30 × 30/2 × 30 = 900/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Add the two like fractions:
900/60 + 81/60 = 900 + 81/60 = 981/60 - 981/60 simplified gives 327/20
- So, 30/2 + 81/60 = 327/20
In mixed form: 167/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+81/60 30/4+81/60 90/2+81/60 30/6+81/60 30/10+81/60 30/14+81/60