Add 56/42 and 7/54
1st number: 1 14/42, 2nd number: 7/54
56/42 + 7/54 is 79/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
56/42 = 56 × 9/42 × 9 = 504/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
7/54 = 7 × 7/54 × 7 = 49/378 - Add the two like fractions:
504/378 + 49/378 = 504 + 49/378 = 553/378 - 553/378 simplified gives 79/54
- So, 56/42 + 7/54 = 79/54
In mixed form: 125/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+14/54 56/84+7/54 56/42+21/54 56/42+35/54 56/42+49/54