Add 35/15 and 21/35
1st number: 2 5/15, 2nd number: 21/35
35/15 + 21/35 is 44/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
35/15 = 35 × 7/15 × 7 = 245/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
21/35 = 21 × 3/35 × 3 = 63/105 - Add the two like fractions:
245/105 + 63/105 = 245 + 63/105 = 308/105 - 308/105 simplified gives 44/15
- So, 35/15 + 21/35 = 44/15
In mixed form: 214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+21/35 35/15+42/35 35/30+21/35 35/15+21/70 35/15+63/35 35/45+21/35 35/75+21/35