Add 32/56 and 21/63
32/56 + 21/63 is 19/21.
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,
32/56 = 32 × 9/56 × 9 = 288/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
21/63 = 21 × 8/63 × 8 = 168/504 - Add the two like fractions:
288/504 + 168/504 = 288 + 168/504 = 456/504 - 456/504 simplified gives 19/21
- So, 32/56 + 21/63 = 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/56+21/63 32/56+42/63 96/56+21/63