Add 56/14 and 21/54
1st number: 4 0/14, 2nd number: 21/54
56/14 + 21/54 is 79/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
56/14 = 56 × 27/14 × 27 = 1512/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
21/54 = 21 × 7/54 × 7 = 147/378 - Add the two like fractions:
1512/378 + 147/378 = 1512 + 147/378 = 1659/378 - 1659/378 simplified gives 79/18
- So, 56/14 + 21/54 = 79/18
In mixed form: 47/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+42/54 56/28+21/54 56/14+63/54 56/42+21/54 56/70+21/54 56/98+21/54