Add 25/72 and 49/63
25/72 + 49/63 is 9/8.
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,
25/72 = 25 × 7/72 × 7 = 175/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
49/63 = 49 × 8/63 × 8 = 392/504 - Add the two like fractions:
175/504 + 392/504 = 175 + 392/504 = 567/504 - 567/504 simplified gives 9/8
- So, 25/72 + 49/63 = 9/8
In mixed form: 11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+49/63 25/72+98/63 75/72+49/63