Add 4/7 and 6/72
4/7 + 6/72 is 55/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
4/7 = 4 × 72/7 × 72 = 288/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504 - Add the two like fractions:
288/504 + 42/504 = 288 + 42/504 = 330/504 - 330/504 simplified gives 55/84
- So, 4/7 + 6/72 = 55/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7+6/72 4/7+12/72 4/14+6/72 12/7+6/72 4/7+18/72 4/21+6/72 20/7+6/72 4/7+30/72 4/35+6/72 28/7+6/72 4/7+42/72 4/49+6/72