Add 15/42 and 27/7
1st number: 15/42, 2nd number: 3 6/7
15/42 + 27/7 is 59/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
15/42 = 15 × 1/42 × 1 = 15/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
27/7 = 27 × 6/7 × 6 = 162/42 - Add the two like fractions:
15/42 + 162/42 = 15 + 162/42 = 177/42 - 177/42 simplified gives 59/14
- So, 15/42 + 27/7 = 59/14
In mixed form: 43/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/42+27/7 15/42+54/7 15/84+27/7 15/42+27/14 45/42+27/7 15/42+81/7 15/42+27/21 75/42+27/7 15/42+27/35 15/42+27/49