Add 72/28 and 7/75, Solve 2 16/28 + 7/75 as a fraction

Add 72/28 and 7/75

1^st number: 2 16/28, 2^nd number: 7/75

72/28 + 7/75 is 1399/525.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100

Next, find the equivalent fraction of both fractional numbers with denominator 2100
For the 1st fraction, since 28 × 75 = 2100,
72/28 = 72 × 75/28 × 75 = 5400/2100
Likewise, for the 2nd fraction, since 75 × 28 = 2100,
7/75 = 7 × 28/75 × 28 = 196/2100
Add the two like fractions:
5400/2100 + 196/2100 = 5400 + 196/2100 = 5596/2100
5596/2100 simplified gives 1399/525
So, 72/28 + 7/75 = 1399/525
In mixed form: 2349/525

MathStep (Works offline)

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