Add 6/21 and 40/27
1st number: 6/21, 2nd number: 1 13/27
6/21 + 40/27 is 334/189.
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,
6/21 = 6 × 9/21 × 9 = 54/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
40/27 = 40 × 7/27 × 7 = 280/189 - Add the two like fractions:
54/189 + 280/189 = 54 + 280/189 = 334/189 - So, 6/21 + 40/27 = 334/189
In mixed form: 1145/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21+40/27 6/21+80/27 6/42+40/27 6/21+40/54 18/21+40/27 6/63+40/27 6/21+40/81 30/21+40/27 42/21+40/27