Add 21/36 and 6/16
21/36 + 6/16 is 23/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
21/36 = 21 × 4/36 × 4 = 84/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
6/16 = 6 × 9/16 × 9 = 54/144 - Add the two like fractions:
84/144 + 54/144 = 84 + 54/144 = 138/144 - 138/144 simplified gives 23/24
- So, 21/36 + 6/16 = 23/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36+6/16 21/36+12/16 21/72+6/16 21/36+6/32 63/36+6/16 21/36+18/16 21/36+6/48 21/36+30/16 21/36+6/80 21/36+42/16