Add 60/28 and 15/9
1st number: 2 4/28, 2nd number: 1 6/9
60/28 + 15/9 is 80/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
60/28 = 60 × 9/28 × 9 = 540/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
15/9 = 15 × 28/9 × 28 = 420/252 - Add the two like fractions:
540/252 + 420/252 = 540 + 420/252 = 960/252 - 960/252 simplified gives 80/21
- So, 60/28 + 15/9 = 80/21
In mixed form: 317/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/28+30/9 60/56+15/9 60/28+15/18 60/28+45/9 60/84+15/9 60/28+15/27 60/28+75/9 60/28+15/45 60/28+15/63