Add 10/7 and 72/16, Solve 1 3/7 + 4 8/16 as a fraction

Add 10/7 and 72/16

1^st number: 1 3/7, 2^nd number: 4 8/16

10/7 + 72/16 is 83/14.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 16 is 112

Next, find the equivalent fraction of both fractional numbers with denominator 112
For the 1st fraction, since 7 × 16 = 112,
10/7 = 10 × 16/7 × 16 = 160/112
Likewise, for the 2nd fraction, since 16 × 7 = 112,
72/16 = 72 × 7/16 × 7 = 504/112
Add the two like fractions:
160/112 + 504/112 = 160 + 504/112 = 664/112
664/112 simplified gives 83/14
So, 10/7 + 72/16 = 83/14
In mixed form: 513/14

MathStep (Works offline)

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