Add 24/42 and 81/36
1st number: 24/42, 2nd number: 2 9/36
24/42 + 81/36 is 79/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 42 × 6 = 252,
24/42 = 24 × 6/42 × 6 = 144/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Add the two like fractions:
144/252 + 567/252 = 144 + 567/252 = 711/252 - 711/252 simplified gives 79/28
- So, 24/42 + 81/36 = 79/28
In mixed form: 223/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42+81/36 24/84+81/36 24/42+81/72 72/42+81/36