Add 72/28 and 7/49, Solve 2 16/28 + 7/49 as a fraction

Add 72/28 and 7/49

1^st number: 2 16/28, 2^nd number: 7/49

72/28 + 7/49 is 19/7.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 28 × 7 = 196,
72/28 = 72 × 7/28 × 7 = 504/196
Likewise, for the 2nd fraction, since 49 × 4 = 196,
7/49 = 7 × 4/49 × 4 = 28/196
Add the two like fractions:
504/196 + 28/196 = 504 + 28/196 = 532/196
532/196 simplified gives 19/7
So, 72/28 + 7/49 = 19/7
In mixed form: 25/7

MathStep (Works offline)

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