Add 49/15 and 42/28
1st number: 3 4/15, 2nd number: 1 14/28
49/15 + 42/28 is 143/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 15 × 28 = 420,
49/15 = 49 × 28/15 × 28 = 1372/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
42/28 = 42 × 15/28 × 15 = 630/420 - Add the two like fractions:
1372/420 + 630/420 = 1372 + 630/420 = 2002/420 - 2002/420 simplified gives 143/30
- So, 49/15 + 42/28 = 143/30
In mixed form: 423/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15+42/28 49/15+84/28 49/30+42/28 49/15+42/56 49/45+42/28 49/15+42/84 49/75+42/28