Add 3/15 and 28/54
3/15 + 28/54 is 97/135.
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,
28/54 = 28 × 5/54 × 5 = 140/270 - Add the two like fractions:
54/270 + 140/270 = 54 + 140/270 = 194/270 - 194/270 simplified gives 97/135
- So, 3/15 + 28/54 = 97/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+28/54 3/15+56/54 3/30+28/54 9/15+28/54 3/15+84/54 3/45+28/54 3/75+28/54 21/15+28/54