Add 21/24 and 4/16
21/24 + 4/16 is 9/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 16 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 24 × 2 = 48,
21/24 = 21 × 2/24 × 2 = 42/48 - Likewise, for the 2nd fraction, since 16 × 3 = 48,
4/16 = 4 × 3/16 × 3 = 12/48 - Add the two like fractions:
42/48 + 12/48 = 42 + 12/48 = 54/48 - 54/48 simplified gives 9/8
- So, 21/24 + 4/16 = 9/8
In mixed form: 11/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+4/16 21/24+8/16 21/48+4/16 21/24+4/32 63/24+4/16 21/24+12/16 21/72+4/16 21/24+4/48 21/24+20/16 21/24+4/80 21/24+28/16