Add 18/56 and 72/63
1st number: 18/56, 2nd number: 1 9/63
18/56 + 72/63 is 41/28.
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,
18/56 = 18 × 9/56 × 9 = 162/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
72/63 = 72 × 8/63 × 8 = 576/504 - Add the two like fractions:
162/504 + 576/504 = 162 + 576/504 = 738/504 - 738/504 simplified gives 41/28
- So, 18/56 + 72/63 = 41/28
In mixed form: 113/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/56+72/63 54/56+72/63 90/56+72/63