Add 56/75 and 15/42
56/75 + 15/42 is 1159/1050.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
56/75 = 56 × 14/75 × 14 = 784/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
15/42 = 15 × 25/42 × 25 = 375/1050 - Add the two like fractions:
784/1050 + 375/1050 = 784 + 375/1050 = 1159/1050 - So, 56/75 + 15/42 = 1159/1050
In mixed form: 1109/1050
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/75+30/42 56/75+15/84 56/75+45/42 56/75+75/42