Add 27/9 and 24/42, Solve 3 0/9 + 24/42 as a fraction

Add 27/9 and 24/42

1^st number: 3 0/9, 2^nd number: 24/42

27/9 + 24/42 is 25/7.

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,
27/9 = 27 × 14/9 × 14 = 378/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
24/42 = 24 × 3/42 × 3 = 72/126
Add the two like fractions:
378/126 + 72/126 = 378 + 72/126 = 450/126
450/126 simplified gives 25/7
So, 27/9 + 24/42 = 25/7
In mixed form: 34/7

MathStep (Works offline)

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