Add 90/16 and 21/36
1st number: 5 10/16, 2nd number: 21/36
90/16 + 21/36 is 149/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
90/16 = 90 × 9/16 × 9 = 810/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
21/36 = 21 × 4/36 × 4 = 84/144 - Add the two like fractions:
810/144 + 84/144 = 810 + 84/144 = 894/144 - 894/144 simplified gives 149/24
- So, 90/16 + 21/36 = 149/24
In mixed form: 65/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+42/36 90/32+21/36 90/16+21/72 90/16+63/36 90/48+21/36 90/80+21/36