Add 32/21 and 49/15
1st number: 1 11/21, 2nd number: 3 4/15
32/21 + 49/15 is 503/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 15 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
32/21 = 32 × 5/21 × 5 = 160/105 - Likewise, for the 2nd fraction, since 15 × 7 = 105,
49/15 = 49 × 7/15 × 7 = 343/105 - Add the two like fractions:
160/105 + 343/105 = 160 + 343/105 = 503/105 - So, 32/21 + 49/15 = 503/105
In mixed form: 483/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/21+49/15 32/21+98/15 32/42+49/15 32/21+49/30 96/21+49/15 32/63+49/15 32/21+49/45 32/21+49/75