Add 8/72 and 70/7
1st number: 8/72, 2nd number: 10 0/7
8/72 + 70/7 is 91/9.
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,
8/72 = 8 × 7/72 × 7 = 56/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
70/7 = 70 × 72/7 × 72 = 5040/504 - Add the two like fractions:
56/504 + 5040/504 = 56 + 5040/504 = 5096/504 - 5096/504 simplified gives 91/9
- So, 8/72 + 70/7 = 91/9
In mixed form: 101/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72+70/7 8/72+70/14 24/72+70/7 8/72+70/21 40/72+70/7 8/72+70/35 56/72+70/7 8/72+70/49