Add 36/15 and 7/42
1st number: 2 6/15, 2nd number: 7/42
36/15 + 7/42 is 77/30.
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,
36/15 = 36 × 14/15 × 14 = 504/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210 - Add the two like fractions:
504/210 + 35/210 = 504 + 35/210 = 539/210 - 539/210 simplified gives 77/30
- So, 36/15 + 7/42 = 77/30
In mixed form: 217/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+7/42 36/15+14/42 36/30+7/42 36/15+7/84 36/15+21/42 36/45+7/42 36/15+35/42 36/75+7/42 36/15+49/42