Add 56/81 and 18/14, Solve 56/81 + 1 4/14 as a fraction

Add 56/81 and 18/14

1^st number: 56/81, 2^nd number: 1 4/14

56/81 + 18/14 is 1121/567.

Find the least common denominator or LCM of the two denominators:
LCM of 81 and 14 is 1134

Next, find the equivalent fraction of both fractional numbers with denominator 1134
For the 1st fraction, since 81 × 14 = 1134,
56/81 = 56 × 14/81 × 14 = 784/1134
Likewise, for the 2nd fraction, since 14 × 81 = 1134,
18/14 = 18 × 81/14 × 81 = 1458/1134
Add the two like fractions:
784/1134 + 1458/1134 = 784 + 1458/1134 = 2242/1134
2242/1134 simplified gives 1121/567
So, 56/81 + 18/14 = 1121/567
In mixed form: 1554/567

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad