Add 15/42 and 24/14, Solve 15/42 + 1 10/14 as a fraction

Add 15/42 and 24/14

1^st number: 15/42, 2^nd number: 1 10/14

15/42 + 24/14 is 29/14.

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,
15/42 = 15 × 1/42 × 1 = 15/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
24/14 = 24 × 3/14 × 3 = 72/42
Add the two like fractions:
15/42 + 72/42 = 15 + 72/42 = 87/42
87/42 simplified gives 29/14
So, 15/42 + 24/14 = 29/14
In mixed form: 21/14

MathStep (Works offline)

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