Add 3/16 and 72/70, Solve 3/16 + 1 2/70 as a fraction

Add 3/16 and 72/70

1^st number: 3/16, 2^nd number: 1 2/70

3/16 + 72/70 is 681/560.

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

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 16 × 35 = 560,
3/16 = 3 × 35/16 × 35 = 105/560
Likewise, for the 2nd fraction, since 70 × 8 = 560,
72/70 = 72 × 8/70 × 8 = 576/560
Add the two like fractions:
105/560 + 576/560 = 105 + 576/560 = 681/560
So, 3/16 + 72/70 = 681/560
In mixed form: 1121/560

MathStep (Works offline)

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