Add 54/15 and 15/27
1st number: 3 9/15, 2nd number: 15/27
54/15 + 15/27 is 187/45.
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,
15/27 = 15 × 5/27 × 5 = 75/135 - Add the two like fractions:
486/135 + 75/135 = 486 + 75/135 = 561/135 - 561/135 simplified gives 187/45
- So, 54/15 + 15/27 = 187/45
In mixed form: 47/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+30/27 54/30+15/27 54/15+15/54 54/15+45/27 54/45+15/27 54/15+15/81 54/15+75/27 54/75+15/27