Add 42/24 and 15/36
1st number: 1 18/24, 2nd number: 15/36
42/24 + 15/36 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
42/24 = 42 × 3/24 × 3 = 126/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
15/36 = 15 × 2/36 × 2 = 30/72 - Add the two like fractions:
126/72 + 30/72 = 126 + 30/72 = 156/72 - 156/72 simplified gives 13/6
- So, 42/24 + 15/36 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24+15/36 42/24+30/36 42/48+15/36 42/24+15/72 42/24+45/36 42/72+15/36 42/24+75/36