Add 10/42 and 45/24
1st number: 10/42, 2nd number: 1 21/24
10/42 + 45/24 is 355/168.
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,
45/24 = 45 × 7/24 × 7 = 315/168 - Add the two like fractions:
40/168 + 315/168 = 40 + 315/168 = 355/168 - So, 10/42 + 45/24 = 355/168
In mixed form: 219/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+45/24 10/42+90/24 10/84+45/24 10/42+45/48 30/42+45/24 10/42+45/72 50/42+45/24 70/42+45/24