Add 54/15 and 63/27
1st number: 3 9/15, 2nd number: 2 9/27
54/15 + 63/27 is 89/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 15 × 9 = 135,
54/15 = 54 × 9/15 × 9 = 486/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
63/27 = 63 × 5/27 × 5 = 315/135 - Add the two like fractions:
486/135 + 315/135 = 486 + 315/135 = 801/135 - 801/135 simplified gives 89/15
- So, 54/15 + 63/27 = 89/15
In mixed form: 514/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30+63/27 54/15+63/54 54/45+63/27 54/15+63/81 54/75+63/27