Add 56/7 and 70/8
1st number: 8 0/7, 2nd number: 8 6/8
56/7 + 70/8 is 67/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 7 × 8 = 56,
56/7 = 56 × 8/7 × 8 = 448/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
70/8 = 70 × 7/8 × 7 = 490/56 - Add the two like fractions:
448/56 + 490/56 = 448 + 490/56 = 938/56 - 938/56 simplified gives 67/4
- So, 56/7 + 70/8 = 67/4
In mixed form: 163/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+70/8 56/7+70/16 56/21+70/8 56/7+70/24 56/35+70/8 56/7+70/40 56/49+70/8 56/7+70/56