Add 90/16 and 21/24
1st number: 5 10/16, 2nd number: 21/24
90/16 + 21/24 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 24 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 16 × 3 = 48,
90/16 = 90 × 3/16 × 3 = 270/48 - Likewise, for the 2nd fraction, since 24 × 2 = 48,
21/24 = 21 × 2/24 × 2 = 42/48 - Add the two like fractions:
270/48 + 42/48 = 270 + 42/48 = 312/48 - 312/48 simplified gives 13/2
- So, 90/16 + 21/24 = 13/2
In mixed form: 61/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+42/24 90/32+21/24 90/16+21/48 90/16+63/24 90/48+21/24 90/16+21/72 90/80+21/24