Add 8/70 and 45/16, Solve 8/70 + 2 13/16 as a fraction

Add 8/70 and 45/16

1^st number: 8/70, 2^nd number: 2 13/16

8/70 + 45/16 is 1639/560.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 70 × 8 = 560,
8/70 = 8 × 8/70 × 8 = 64/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
45/16 = 45 × 35/16 × 35 = 1575/560
Add the two like fractions:
64/560 + 1575/560 = 64 + 1575/560 = 1639/560
So, 8/70 + 45/16 = 1639/560
In mixed form: 2519/560

MathStep (Works offline)

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