Add 27/42 and 36/25, Solve 27/42 + 1 11/25 as a fraction

Add 27/42 and 36/25

1^st number: 27/42, 2^nd number: 1 11/25

27/42 + 36/25 is 729/350.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 42 × 25 = 1050,
27/42 = 27 × 25/42 × 25 = 675/1050
Likewise, for the 2nd fraction, since 25 × 42 = 1050,
36/25 = 36 × 42/25 × 42 = 1512/1050
Add the two like fractions:
675/1050 + 1512/1050 = 675 + 1512/1050 = 2187/1050
2187/1050 simplified gives 729/350
So, 27/42 + 36/25 = 729/350
In mixed form: 229/350

MathStep (Works offline)

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