Add 4/21 and 10/27
4/21 + 10/27 is 106/189.
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,
10/27 = 10 × 7/27 × 7 = 70/189 - Add the two like fractions:
36/189 + 70/189 = 36 + 70/189 = 106/189 - So, 4/21 + 10/27 = 106/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+10/27 4/21+20/27 4/42+10/27 4/21+10/54 12/21+10/27 4/21+30/27 4/63+10/27 4/21+10/81 20/21+10/27 4/21+50/27 28/21+10/27 4/21+70/27