Add 1/15 and 49/42
1st number: 1/15, 2nd number: 1 7/42
1/15 + 49/42 is 37/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
1/15 = 1 × 14/15 × 14 = 14/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
49/42 = 49 × 5/42 × 5 = 245/210 - Add the two like fractions:
14/210 + 245/210 = 14 + 245/210 = 259/210 - 259/210 simplified gives 37/30
- So, 1/15 + 49/42 = 37/30
In mixed form: 17/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15+49/42 1/15+98/42 1/30+49/42 1/15+49/84 3/15+49/42 1/45+49/42 5/15+49/42 1/75+49/42 7/15+49/42