Add 10/15 and 70/7
1st number: 10/15, 2nd number: 10 0/7
10/15 + 70/7 is 32/3.
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,
10/15 = 10 × 7/15 × 7 = 70/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
70/7 = 70 × 15/7 × 15 = 1050/105 - Add the two like fractions:
70/105 + 1050/105 = 70 + 1050/105 = 1120/105 - 1120/105 simplified gives 32/3
- So, 10/15 + 70/7 = 32/3
In mixed form: 102/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15+70/7 10/30+70/7 10/15+70/14 30/15+70/7 10/45+70/7 10/15+70/21 50/15+70/7 10/75+70/7 10/15+70/35 70/15+70/7 10/15+70/49