Add 6/21 and 25/27
6/21 + 25/27 is 229/189.
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,
25/27 = 25 × 7/27 × 7 = 175/189 - Add the two like fractions:
54/189 + 175/189 = 54 + 175/189 = 229/189 - So, 6/21 + 25/27 = 229/189
In mixed form: 140/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21+25/27 6/21+50/27 6/42+25/27 6/21+25/54 18/21+25/27 6/21+75/27 6/63+25/27 6/21+25/81 30/21+25/27 42/21+25/27