Add 7/15 and 7/54
7/15 + 7/54 is 161/270.
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,
7/15 = 7 × 18/15 × 18 = 126/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
7/54 = 7 × 5/54 × 5 = 35/270 - Add the two like fractions:
126/270 + 35/270 = 126 + 35/270 = 161/270 - So, 7/15 + 7/54 = 161/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/15+7/54 7/15+14/54 7/30+7/54 21/15+7/54 7/15+21/54 7/45+7/54 35/15+7/54 7/15+35/54 7/75+7/54 49/15+7/54 7/15+49/54