Add 15/28 and 10/56
15/28 + 10/56 is 5/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
15/28 = 15 × 2/28 × 2 = 30/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
10/56 = 10 × 1/56 × 1 = 10/56 - Add the two like fractions:
30/56 + 10/56 = 30 + 10/56 = 40/56 - 40/56 simplified gives 5/7
- So, 15/28 + 10/56 = 5/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+10/56 15/28+20/56 15/56+10/56 45/28+10/56 15/28+30/56 15/84+10/56 75/28+10/56 15/28+50/56 15/28+70/56