Add 49/15 and 7/84
1st number: 3 4/15, 2nd number: 7/84
49/15 + 7/84 is 67/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 84 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 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420 - Add the two like fractions:
1372/420 + 35/420 = 1372 + 35/420 = 1407/420 - 1407/420 simplified gives 67/20
- So, 49/15 + 7/84 = 67/20
In mixed form: 37/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15+7/84 49/15+14/84 49/30+7/84 49/15+21/84 49/45+7/84 49/15+35/84 49/75+7/84 49/15+49/84