Add 18/7 and 12/27
1st number: 2 4/7, 2nd number: 12/27
18/7 + 12/27 is 190/63.
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,
18/7 = 18 × 27/7 × 27 = 486/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
12/27 = 12 × 7/27 × 7 = 84/189 - Add the two like fractions:
486/189 + 84/189 = 486 + 84/189 = 570/189 - 570/189 simplified gives 190/63
- So, 18/7 + 12/27 = 190/63
In mixed form: 31/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+12/27 18/7+24/27 18/14+12/27 18/7+12/54 54/7+12/27 18/7+36/27 18/21+12/27 18/7+12/81 90/7+12/27 18/7+60/27 18/35+12/27 18/7+84/27 18/49+12/27