Add 36/15 and 28/42
1st number: 2 6/15, 2nd number: 28/42
36/15 + 28/42 is 46/15.
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,
28/42 = 28 × 5/42 × 5 = 140/210 - Add the two like fractions:
504/210 + 140/210 = 504 + 140/210 = 644/210 - 644/210 simplified gives 46/15
- So, 36/15 + 28/42 = 46/15
In mixed form: 31/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15+28/42 36/15+56/42 36/30+28/42 36/15+28/84 36/15+84/42 36/45+28/42 36/75+28/42