Add 40/72 and 50/7
1st number: 40/72, 2nd number: 7 1/7
40/72 + 50/7 is 485/63.
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,
40/72 = 40 × 7/72 × 7 = 280/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
50/7 = 50 × 72/7 × 72 = 3600/504 - Add the two like fractions:
280/504 + 3600/504 = 280 + 3600/504 = 3880/504 - 3880/504 simplified gives 485/63
- So, 40/72 + 50/7 = 485/63
In mixed form: 744/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/72+50/7 40/72+50/14 40/72+50/21 40/72+50/35 40/72+50/49