Add 84/70 and 72/96, Solve 1 14/70 + 72/96 as a fraction

Add 84/70 and 72/96

1^st number: 1 14/70, 2^nd number: 72/96

84/70 + 72/96 is 39/20.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 96 is 3360

Next, find the equivalent fraction of both fractional numbers with denominator 3360
For the 1st fraction, since 70 × 48 = 3360,
84/70 = 84 × 48/70 × 48 = 4032/3360
Likewise, for the 2nd fraction, since 96 × 35 = 3360,
72/96 = 72 × 35/96 × 35 = 2520/3360
Add the two like fractions:
4032/3360 + 2520/3360 = 4032 + 2520/3360 = 6552/3360
6552/3360 simplified gives 39/20
So, 84/70 + 72/96 = 39/20
In mixed form: 119/20

MathStep (Works offline)

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