Add 8/28 and 56/80
8/28 + 56/80 is 69/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
8/28 = 8 × 20/28 × 20 = 160/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
56/80 = 56 × 7/80 × 7 = 392/560 - Add the two like fractions:
160/560 + 392/560 = 160 + 392/560 = 552/560 - 552/560 simplified gives 69/70
- So, 8/28 + 56/80 = 69/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28+56/80 8/56+56/80 24/28+56/80 8/84+56/80 40/28+56/80 56/28+56/80