Add 25/72 and 54/56
25/72 + 54/56 is 661/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
25/72 = 25 × 7/72 × 7 = 175/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
54/56 = 54 × 9/56 × 9 = 486/504 - Add the two like fractions:
175/504 + 486/504 = 175 + 486/504 = 661/504 - So, 25/72 + 54/56 = 661/504
In mixed form: 1157/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+54/56 75/72+54/56