Add 10/42 and 81/24
1st number: 10/42, 2nd number: 3 9/24
10/42 + 81/24 is 607/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
10/42 = 10 × 4/42 × 4 = 40/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
81/24 = 81 × 7/24 × 7 = 567/168 - Add the two like fractions:
40/168 + 567/168 = 40 + 567/168 = 607/168 - So, 10/42 + 81/24 = 607/168
In mixed form: 3103/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+81/24 10/84+81/24 10/42+81/48 30/42+81/24 10/42+81/72 50/42+81/24 70/42+81/24