Add 4/72 and 6/7
4/72 + 6/7 is 115/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 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 7 × 72 = 504,
6/7 = 6 × 72/7 × 72 = 432/504 - Add the two like fractions:
28/504 + 432/504 = 28 + 432/504 = 460/504 - 460/504 simplified gives 115/126
- So, 4/72 + 6/7 = 115/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72+6/7 4/72+12/7 4/72+6/14 12/72+6/7 4/72+18/7 4/72+6/21 20/72+6/7 4/72+30/7 4/72+6/35 28/72+6/7 4/72+42/7 4/72+6/49