Add 10/28 and 7/80
10/28 + 7/80 is 249/560.
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,
10/28 = 10 × 20/28 × 20 = 200/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
7/80 = 7 × 7/80 × 7 = 49/560 - Add the two like fractions:
200/560 + 49/560 = 200 + 49/560 = 249/560 - So, 10/28 + 7/80 = 249/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+7/80 10/28+14/80 10/56+7/80 30/28+7/80 10/28+21/80 10/84+7/80 50/28+7/80 10/28+35/80 70/28+7/80 10/28+49/80