Add 3/15 and 56/54
1st number: 3/15, 2nd number: 1 2/54
3/15 + 56/54 is 167/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
3/15 = 3 × 18/15 × 18 = 54/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
56/54 = 56 × 5/54 × 5 = 280/270 - Add the two like fractions:
54/270 + 280/270 = 54 + 280/270 = 334/270 - 334/270 simplified gives 167/135
- So, 3/15 + 56/54 = 167/135
In mixed form: 132/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+56/54 3/30+56/54 9/15+56/54 3/45+56/54 3/75+56/54 21/15+56/54