Add 27/18 and 56/42
1st number: 1 9/18, 2nd number: 1 14/42
27/18 + 56/42 is 17/6.
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,
27/18 = 27 × 7/18 × 7 = 189/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
56/42 = 56 × 3/42 × 3 = 168/126 - Add the two like fractions:
189/126 + 168/126 = 189 + 168/126 = 357/126 - 357/126 simplified gives 17/6
- So, 27/18 + 56/42 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/18+56/42 27/36+56/42 27/18+56/84 81/18+56/42 27/54+56/42 27/90+56/42