Add 72/63 and 24/72
1st number: 1 9/63, 2nd number: 24/72
72/63 + 24/72 is 31/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
72/63 = 72 × 8/63 × 8 = 576/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
24/72 = 24 × 7/72 × 7 = 168/504 - Add the two like fractions:
576/504 + 168/504 = 576 + 168/504 = 744/504 - 744/504 simplified gives 31/21
- So, 72/63 + 24/72 = 31/21
In mixed form: 110/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/63+48/72