Add 36/70 and 9/15
36/70 + 9/15 is 39/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
36/70 = 36 × 3/70 × 3 = 108/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
9/15 = 9 × 14/15 × 14 = 126/210 - Add the two like fractions:
108/210 + 126/210 = 108 + 126/210 = 234/210 - 234/210 simplified gives 39/35
- So, 36/70 + 9/15 = 39/35
In mixed form: 14/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+9/15 36/70+18/15 36/70+9/30 36/70+27/15 36/70+9/45 36/70+45/15 36/70+9/75 36/70+63/15