Add 54/72 and 25/63
54/72 + 25/63 is 289/252.
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,
54/72 = 54 × 7/72 × 7 = 378/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
25/63 = 25 × 8/63 × 8 = 200/504 - Add the two like fractions:
378/504 + 200/504 = 378 + 200/504 = 578/504 - 578/504 simplified gives 289/252
- So, 54/72 + 25/63 = 289/252
In mixed form: 137/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/72+50/63 54/72+75/63