Add 49/28 and 36/15
1st number: 1 21/28, 2nd number: 2 6/15
49/28 + 36/15 is 83/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
49/28 = 49 × 15/28 × 15 = 735/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
36/15 = 36 × 28/15 × 28 = 1008/420 - Add the two like fractions:
735/420 + 1008/420 = 735 + 1008/420 = 1743/420 - 1743/420 simplified gives 83/20
- So, 49/28 + 36/15 = 83/20
In mixed form: 43/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+36/15 49/28+72/15 49/56+36/15 49/28+36/30 49/84+36/15 49/28+36/45 49/28+36/75