Add 54/36 and 18/42
1st number: 1 18/36, 2nd number: 18/42
54/36 + 18/42 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 42 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
54/36 = 54 × 7/36 × 7 = 378/252 - Likewise, for the 2nd fraction, since 42 × 6 = 252,
18/42 = 18 × 6/42 × 6 = 108/252 - Add the two like fractions:
378/252 + 108/252 = 378 + 108/252 = 486/252 - 486/252 simplified gives 27/14
- So, 54/36 + 18/42 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/36+36/42 54/72+18/42 54/36+18/84 54/36+54/42 54/36+90/42