Add 15/5 and 48/7, Solve 3 0/5 + 6 6/7 as a fraction

Add 15/5 and 48/7

1^st number: 3 0/5, 2^nd number: 6 6/7

15/5 + 48/7 is 69/7.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35

Next, find the equivalent fraction of both fractional numbers with denominator 35
For the 1st fraction, since 5 × 7 = 35,
15/5 = 15 × 7/5 × 7 = 105/35
Likewise, for the 2nd fraction, since 7 × 5 = 35,
48/7 = 48 × 5/7 × 5 = 240/35
Add the two like fractions:
105/35 + 240/35 = 105 + 240/35 = 345/35
345/35 simplified gives 69/7
So, 15/5 + 48/7 = 69/7
In mixed form: 96/7

MathStep (Works offline)

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