Add 24/42 and 9/18
24/42 + 9/18 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
24/42 = 24 × 3/42 × 3 = 72/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
9/18 = 9 × 7/18 × 7 = 63/126 - Add the two like fractions:
72/126 + 63/126 = 72 + 63/126 = 135/126 - 135/126 simplified gives 15/14
- So, 24/42 + 9/18 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42+9/18 24/84+9/18 24/42+9/36 72/42+9/18 24/42+27/18 24/42+9/54 24/42+45/18 24/42+9/90 24/42+63/18