Add 56/54 and 81/14
1st number: 1 2/54, 2nd number: 5 11/14
56/54 + 81/14 is 2579/378.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
56/54 = 56 × 7/54 × 7 = 392/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
81/14 = 81 × 27/14 × 27 = 2187/378 - Add the two like fractions:
392/378 + 2187/378 = 392 + 2187/378 = 2579/378 - So, 56/54 + 81/14 = 2579/378
In mixed form: 6311/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/54+81/28 56/54+81/42 56/54+81/70 56/54+81/98