Add 40/42 and 63/24
1st number: 40/42, 2nd number: 2 15/24
40/42 + 63/24 is 601/168.
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,
40/42 = 40 × 4/42 × 4 = 160/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
63/24 = 63 × 7/24 × 7 = 441/168 - Add the two like fractions:
160/168 + 441/168 = 160 + 441/168 = 601/168 - So, 40/42 + 63/24 = 601/168
In mixed form: 397/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+63/24 40/84+63/24 40/42+63/48 40/42+63/72