Add 15/28 and 9/24
15/28 + 9/24 is 51/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
15/28 = 15 × 6/28 × 6 = 90/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
9/24 = 9 × 7/24 × 7 = 63/168 - Add the two like fractions:
90/168 + 63/168 = 90 + 63/168 = 153/168 - 153/168 simplified gives 51/56
- So, 15/28 + 9/24 = 51/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+9/24 15/28+18/24 15/56+9/24 15/28+9/48 45/28+9/24 15/28+27/24 15/84+9/24 15/28+9/72 75/28+9/24 15/28+45/24 15/28+63/24