Add 15/72 and 14/63
15/72 + 14/63 is 31/72.
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,
15/72 = 15 × 7/72 × 7 = 105/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
14/63 = 14 × 8/63 × 8 = 112/504 - Add the two like fractions:
105/504 + 112/504 = 105 + 112/504 = 217/504 - 217/504 simplified gives 31/72
- So, 15/72 + 14/63 = 31/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/72+14/63 15/72+28/63 45/72+14/63 15/72+42/63 75/72+14/63 15/72+70/63 15/72+98/63