Add 84/7 and 30/27
1st number: 12 0/7, 2nd number: 1 3/27
84/7 + 30/27 is 118/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
84/7 = 84 × 27/7 × 27 = 2268/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
30/27 = 30 × 7/27 × 7 = 210/189 - Add the two like fractions:
2268/189 + 210/189 = 2268 + 210/189 = 2478/189 - 2478/189 simplified gives 118/9
- So, 84/7 + 30/27 = 118/9
In mixed form: 131/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+60/27 84/14+30/27 84/7+30/54 84/7+90/27 84/21+30/27 84/7+30/81 84/35+30/27 84/49+30/27