Add 50/28 and 21/18, Solve 1 22/28 + 1 3/18 as a fraction

Add 50/28 and 21/18

1^st number: 1 22/28, 2^nd number: 1 3/18

50/28 + 21/18 is 62/21.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 28 × 9 = 252,
50/28 = 50 × 9/28 × 9 = 450/252
Likewise, for the 2nd fraction, since 18 × 14 = 252,
21/18 = 21 × 14/18 × 14 = 294/252
Add the two like fractions:
450/252 + 294/252 = 450 + 294/252 = 744/252
744/252 simplified gives 62/21
So, 50/28 + 21/18 = 62/21
In mixed form: 220/21

MathStep (Works offline)

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