Add 42/18 and 27/42
1st number: 2 6/18, 2nd number: 27/42
42/18 + 27/42 is 125/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
42/18 = 42 × 7/18 × 7 = 294/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
27/42 = 27 × 3/42 × 3 = 81/126 - Add the two like fractions:
294/126 + 81/126 = 294 + 81/126 = 375/126 - 375/126 simplified gives 125/42
- So, 42/18 + 27/42 = 125/42
In mixed form: 241/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+27/42 42/18+54/42 42/36+27/42 42/18+27/84 42/18+81/42 42/54+27/42 42/90+27/42