Add 56/70 and 10/80
56/70 + 10/80 is 37/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
56/70 = 56 × 8/70 × 8 = 448/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
10/80 = 10 × 7/80 × 7 = 70/560 - Add the two like fractions:
448/560 + 70/560 = 448 + 70/560 = 518/560 - 518/560 simplified gives 37/40
- So, 56/70 + 10/80 = 37/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/70+20/80 56/70+30/80 56/70+50/80 56/70+70/80