Add 16/54 and 21/27
16/54 + 21/27 is 29/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
16/54 = 16 × 1/54 × 1 = 16/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
21/27 = 21 × 2/27 × 2 = 42/54 - Add the two like fractions:
16/54 + 42/54 = 16 + 42/54 = 58/54 - 58/54 simplified gives 29/27
- So, 16/54 + 21/27 = 29/27
In mixed form: 12/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/54+21/27 16/54+42/27 16/54+21/54 48/54+21/27 16/54+63/27 16/54+21/81 80/54+21/27