Add 72/84 and 10/72
72/84 + 10/72 is 251/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
72/84 = 72 × 6/84 × 6 = 432/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504 - Add the two like fractions:
432/504 + 70/504 = 432 + 70/504 = 502/504 - 502/504 simplified gives 251/252
- So, 72/84 + 10/72 = 251/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+20/72 72/84+30/72 72/84+50/72 72/84+70/72