Add 90/4 and 7/18, Solve 22 2/4 + 7/18 as a fraction

Add 90/4 and 7/18

1^st number: 22 2/4, 2^nd number: 7/18

90/4 + 7/18 is 206/9.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36

Next, find the equivalent fraction of both fractional numbers with denominator 36
For the 1st fraction, since 4 × 9 = 36,
90/4 = 90 × 9/4 × 9 = 810/36
Likewise, for the 2nd fraction, since 18 × 2 = 36,
7/18 = 7 × 2/18 × 2 = 14/36
Add the two like fractions:
810/36 + 14/36 = 810 + 14/36 = 824/36
824/36 simplified gives 206/9
So, 90/4 + 7/18 = 206/9
In mixed form: 228/9

MathStep (Works offline)

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