Add 35/15 and 70/7
1st number: 2 5/15, 2nd number: 10 0/7
35/15 + 70/7 is 37/3.
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,
70/7 = 70 × 15/7 × 15 = 1050/105 - Add the two like fractions:
245/105 + 1050/105 = 245 + 1050/105 = 1295/105 - 1295/105 simplified gives 37/3
- So, 35/15 + 70/7 = 37/3
In mixed form: 121/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+70/7 35/30+70/7 35/15+70/14 35/45+70/7 35/15+70/21 35/75+70/7 35/15+70/35 35/15+70/49