Add 40/7 and 16/72
1st number: 5 5/7, 2nd number: 16/72
40/7 + 16/72 is 374/63.
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,
40/7 = 40 × 72/7 × 72 = 2880/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
16/72 = 16 × 7/72 × 7 = 112/504 - Add the two like fractions:
2880/504 + 112/504 = 2880 + 112/504 = 2992/504 - 2992/504 simplified gives 374/63
- So, 40/7 + 16/72 = 374/63
In mixed form: 559/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+16/72 40/7+32/72 40/14+16/72 40/7+48/72 40/21+16/72 40/7+80/72 40/35+16/72 40/49+16/72