Add 4/72 and 7/63
4/72 + 7/63 is 1/6.
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,
4/72 = 4 × 7/72 × 7 = 28/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
7/63 = 7 × 8/63 × 8 = 56/504 - Add the two like fractions:
28/504 + 56/504 = 28 + 56/504 = 84/504 - 84/504 simplified gives 1/6
- So, 4/72 + 7/63 = 1/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72+7/63 4/72+14/63 12/72+7/63 4/72+21/63 20/72+7/63 4/72+35/63 28/72+7/63 4/72+49/63