Add 2/15 and 49/21
1st number: 2/15, 2nd number: 2 7/21
2/15 + 49/21 is 37/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
2/15 = 2 × 7/15 × 7 = 14/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
49/21 = 49 × 5/21 × 5 = 245/105 - Add the two like fractions:
14/105 + 245/105 = 14 + 245/105 = 259/105 - 259/105 simplified gives 37/15
- So, 2/15 + 49/21 = 37/15
In mixed form: 27/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+49/21 2/15+98/21 2/30+49/21 2/15+49/42 6/15+49/21 2/45+49/21 2/15+49/63 10/15+49/21 2/75+49/21 14/15+49/21