Add 5/9 and 56/42, Solve 5/9 + 1 14/42 as a fraction

Add 5/9 and 56/42

1^st number: 5/9, 2^nd number: 1 14/42

5/9 + 56/42 is 17/9.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 9 × 14 = 126,
5/9 = 5 × 14/9 × 14 = 70/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
56/42 = 56 × 3/42 × 3 = 168/126
Add the two like fractions:
70/126 + 168/126 = 70 + 168/126 = 238/126
238/126 simplified gives 17/9
So, 5/9 + 56/42 = 17/9
In mixed form: 18/9

MathStep (Works offline)

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