Add 10/70 and 15/10, Solve 10/70 + 1 5/10 as a fraction

Add 10/70 and 15/10

1^st number: 10/70, 2^nd number: 1 5/10

10/70 + 15/10 is 23/14.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 10 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 70 × 1 = 70,
10/70 = 10 × 1/70 × 1 = 10/70
Likewise, for the 2nd fraction, since 10 × 7 = 70,
15/10 = 15 × 7/10 × 7 = 105/70
Add the two like fractions:
10/70 + 105/70 = 10 + 105/70 = 115/70
115/70 simplified gives 23/14
So, 10/70 + 15/10 = 23/14
In mixed form: 19/14

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad