Add 35/15 and 2/7
1st number: 2 5/15, 2nd number: 2/7
35/15 + 2/7 is 55/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 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 7 × 15 = 105,
2/7 = 2 × 15/7 × 15 = 30/105 - Add the two like fractions:
245/105 + 30/105 = 245 + 30/105 = 275/105 - 275/105 simplified gives 55/21
- So, 35/15 + 2/7 = 55/21
In mixed form: 213/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+2/7 35/15+4/7 35/30+2/7 35/15+2/14 35/15+6/7 35/45+2/7 35/15+2/21 35/15+10/7 35/75+2/7 35/15+2/35 35/15+14/7 35/15+2/49