Add 3/15 and 49/56
3/15 + 49/56 is 43/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
3/15 = 3 × 56/15 × 56 = 168/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
49/56 = 49 × 15/56 × 15 = 735/840 - Add the two like fractions:
168/840 + 735/840 = 168 + 735/840 = 903/840 - 903/840 simplified gives 43/40
- So, 3/15 + 49/56 = 43/40
In mixed form: 13/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+49/56 3/15+98/56 3/30+49/56 9/15+49/56 3/45+49/56 3/75+49/56 21/15+49/56