Add 15/54 and 9/28
15/54 + 9/28 is 151/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 28 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
15/54 = 15 × 14/54 × 14 = 210/756 - Likewise, for the 2nd fraction, since 28 × 27 = 756,
9/28 = 9 × 27/28 × 27 = 243/756 - Add the two like fractions:
210/756 + 243/756 = 210 + 243/756 = 453/756 - 453/756 simplified gives 151/252
- So, 15/54 + 9/28 = 151/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/54+9/28 15/54+18/28 15/54+9/56 45/54+9/28 15/54+27/28 15/54+9/84 75/54+9/28 15/54+45/28 15/54+63/28