Add 45/7 and 6/72
1st number: 6 3/7, 2nd number: 6/72
45/7 + 6/72 is 547/84.
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,
45/7 = 45 × 72/7 × 72 = 3240/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504 - Add the two like fractions:
3240/504 + 42/504 = 3240 + 42/504 = 3282/504 - 3282/504 simplified gives 547/84
- So, 45/7 + 6/72 = 547/84
In mixed form: 643/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/7+6/72 45/7+12/72 45/14+6/72 45/7+18/72 45/21+6/72 45/7+30/72 45/35+6/72 45/7+42/72 45/49+6/72