Add 60/21 and 15/56
1st number: 2 18/21, 2nd number: 15/56
60/21 + 15/56 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
60/21 = 60 × 8/21 × 8 = 480/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
15/56 = 15 × 3/56 × 3 = 45/168 - Add the two like fractions:
480/168 + 45/168 = 480 + 45/168 = 525/168 - 525/168 simplified gives 25/8
- So, 60/21 + 15/56 = 25/8
In mixed form: 31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+30/56 60/42+15/56 60/21+45/56 60/63+15/56 60/21+75/56