Add 25/56 and 20/63
25/56 + 20/63 is 55/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
25/56 = 25 × 9/56 × 9 = 225/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
20/63 = 20 × 8/63 × 8 = 160/504 - Add the two like fractions:
225/504 + 160/504 = 225 + 160/504 = 385/504 - 385/504 simplified gives 55/72
- So, 25/56 + 20/63 = 55/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/56+20/63 25/56+40/63 75/56+20/63 25/56+60/63