Add 16/21 and 6/27
16/21 + 6/27 is 62/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
16/21 = 16 × 9/21 × 9 = 144/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
6/27 = 6 × 7/27 × 7 = 42/189 - Add the two like fractions:
144/189 + 42/189 = 144 + 42/189 = 186/189 - 186/189 simplified gives 62/63
- So, 16/21 + 6/27 = 62/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+6/27 16/21+12/27 16/42+6/27 16/21+6/54 48/21+6/27 16/21+18/27 16/63+6/27 16/21+6/81 80/21+6/27 16/21+30/27 16/21+42/27