Add 9/16 and 27/25, Solve 9/16 + 1 2/25 as a fraction

Add 9/16 and 27/25

1^st number: 9/16, 2^nd number: 1 2/25

9/16 + 27/25 is 657/400.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 25 is 400

Next, find the equivalent fraction of both fractional numbers with denominator 400
For the 1st fraction, since 16 × 25 = 400,
9/16 = 9 × 25/16 × 25 = 225/400
Likewise, for the 2nd fraction, since 25 × 16 = 400,
27/25 = 27 × 16/25 × 16 = 432/400
Add the two like fractions:
225/400 + 432/400 = 225 + 432/400 = 657/400
So, 9/16 + 27/25 = 657/400
In mixed form: 1257/400

MathStep (Works offline)

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