Add 40/27 and 9/14, Solve 1 13/27 + 9/14 as a fraction

Add 40/27 and 9/14

1^st number: 1 13/27, 2^nd number: 9/14

40/27 + 9/14 is 803/378.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 14 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 27 × 14 = 378,
40/27 = 40 × 14/27 × 14 = 560/378
Likewise, for the 2nd fraction, since 14 × 27 = 378,
9/14 = 9 × 27/14 × 27 = 243/378
Add the two like fractions:
560/378 + 243/378 = 560 + 243/378 = 803/378
So, 40/27 + 9/14 = 803/378
In mixed form: 247/378

MathStep (Works offline)

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