Add 54/7 and 18/27
1st number: 7 5/7, 2nd number: 18/27
54/7 + 18/27 is 176/21.
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,
54/7 = 54 × 27/7 × 27 = 1458/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
18/27 = 18 × 7/27 × 7 = 126/189 - Add the two like fractions:
1458/189 + 126/189 = 1458 + 126/189 = 1584/189 - 1584/189 simplified gives 176/21
- So, 54/7 + 18/27 = 176/21
In mixed form: 88/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+36/27 54/14+18/27 54/7+18/54 54/7+54/27 54/21+18/27 54/7+18/81 54/7+90/27 54/35+18/27 54/49+18/27