Add 4/21 and 2/27
4/21 + 2/27 is 50/189.
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,
4/21 = 4 × 9/21 × 9 = 36/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
2/27 = 2 × 7/27 × 7 = 14/189 - Add the two like fractions:
36/189 + 14/189 = 36 + 14/189 = 50/189 - So, 4/21 + 2/27 = 50/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+2/27 4/21+4/27 4/42+2/27 4/21+2/54 12/21+2/27 4/21+6/27 4/63+2/27 4/21+2/81 20/21+2/27 4/21+10/27 28/21+2/27 4/21+14/27