Add 6/15 and 81/60
1st number: 6/15, 2nd number: 1 21/60
6/15 + 81/60 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
6/15 = 6 × 4/15 × 4 = 24/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
81/60 = 81 × 1/60 × 1 = 81/60 - Add the two like fractions:
24/60 + 81/60 = 24 + 81/60 = 105/60 - 105/60 simplified gives 7/4
- So, 6/15 + 81/60 = 7/4
In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15+81/60 6/30+81/60 18/15+81/60 6/45+81/60 30/15+81/60 6/75+81/60 42/15+81/60