Add 40/24 and 9/12, Solve 1 16/24 + 9/12 as a fraction

Add 40/24 and 9/12

1^st number: 1 16/24, 2^nd number: 9/12

40/24 + 9/12 is 29/12.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 24 × 1 = 24,
40/24 = 40 × 1/24 × 1 = 40/24
Likewise, for the 2nd fraction, since 12 × 2 = 24,
9/12 = 9 × 2/12 × 2 = 18/24
Add the two like fractions:
40/24 + 18/24 = 40 + 18/24 = 58/24
58/24 simplified gives 29/12
So, 40/24 + 9/12 = 29/12
In mixed form: 25/12

MathStep (Works offline)

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