Add 72/30 and 50/28, Solve 2 12/30 + 1 22/28 as a fraction

Add 72/30 and 50/28

1^st number: 2 12/30, 2^nd number: 1 22/28

72/30 + 50/28 is 293/70.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 30 × 14 = 420,
72/30 = 72 × 14/30 × 14 = 1008/420
Likewise, for the 2nd fraction, since 28 × 15 = 420,
50/28 = 50 × 15/28 × 15 = 750/420
Add the two like fractions:
1008/420 + 750/420 = 1008 + 750/420 = 1758/420
1758/420 simplified gives 293/70
So, 72/30 + 50/28 = 293/70
In mixed form: 413/70

MathStep (Works offline)

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