Add 60/72 and 15/63
60/72 + 15/63 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
60/72 = 60 × 7/72 × 7 = 420/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
15/63 = 15 × 8/63 × 8 = 120/504 - Add the two like fractions:
420/504 + 120/504 = 420 + 120/504 = 540/504 - 540/504 simplified gives 15/14
- So, 60/72 + 15/63 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72+30/63 60/72+45/63 60/72+75/63