Add 10/80 and 9/56
10/80 + 9/56 is 2/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
10/80 = 10 × 7/80 × 7 = 70/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
9/56 = 9 × 10/56 × 10 = 90/560 - Add the two like fractions:
70/560 + 90/560 = 70 + 90/560 = 160/560 - 160/560 simplified gives 2/7
- So, 10/80 + 9/56 = 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/80+9/56 10/80+18/56 30/80+9/56 10/80+27/56 50/80+9/56 10/80+45/56 70/80+9/56 10/80+63/56