Add 84/21 and 4/27
1st number: 4 0/21, 2nd number: 4/27
84/21 + 4/27 is 112/27.
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,
84/21 = 84 × 9/21 × 9 = 756/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
4/27 = 4 × 7/27 × 7 = 28/189 - Add the two like fractions:
756/189 + 28/189 = 756 + 28/189 = 784/189 - 784/189 simplified gives 112/27
- So, 84/21 + 4/27 = 112/27
In mixed form: 44/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/21+8/27 84/42+4/27 84/21+4/54 84/21+12/27 84/63+4/27 84/21+4/81 84/21+20/27 84/21+28/27