Add 8/7 and 5/72
1st number: 1 1/7, 2nd number: 5/72
8/7 + 5/72 is 611/504.
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,
8/7 = 8 × 72/7 × 72 = 576/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
5/72 = 5 × 7/72 × 7 = 35/504 - Add the two like fractions:
576/504 + 35/504 = 576 + 35/504 = 611/504 - So, 8/7 + 5/72 = 611/504
In mixed form: 1107/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+5/72 8/7+10/72 8/14+5/72 24/7+5/72 8/7+15/72 8/21+5/72 40/7+5/72 8/7+25/72 8/35+5/72 56/7+5/72 8/7+35/72 8/49+5/72