Add 20/56 and 60/63
20/56 + 60/63 is 55/42.
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,
20/56 = 20 × 9/56 × 9 = 180/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
60/63 = 60 × 8/63 × 8 = 480/504 - Add the two like fractions:
180/504 + 480/504 = 180 + 480/504 = 660/504 - 660/504 simplified gives 55/42
- So, 20/56 + 60/63 = 55/42
In mixed form: 113/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/56+60/63 60/56+60/63