Add 7/42 and 27/14, Solve 7/42 + 1 13/14 as a fraction

Add 7/42 and 27/14

1^st number: 7/42, 2^nd number: 1 13/14

7/42 + 27/14 is 44/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
7/42 = 7 × 1/42 × 1 = 7/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
27/14 = 27 × 3/14 × 3 = 81/42
Add the two like fractions:
7/42 + 81/42 = 7 + 81/42 = 88/42
88/42 simplified gives 44/21
So, 7/42 + 27/14 = 44/21
In mixed form: 22/21

MathStep (Works offline)

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