Add 35/72 and 18/63
35/72 + 18/63 is 389/504.
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,
35/72 = 35 × 7/72 × 7 = 245/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504 - Add the two like fractions:
245/504 + 144/504 = 245 + 144/504 = 389/504 - So, 35/72 + 18/63 = 389/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72+18/63 35/72+36/63 35/72+54/63 35/72+90/63