Add 27/25 and 25/90, Solve 1 2/25 + 25/90 as a fraction

Add 27/25 and 25/90

1^st number: 1 2/25, 2^nd number: 25/90

27/25 + 25/90 is 611/450.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 25 × 18 = 450,
27/25 = 27 × 18/25 × 18 = 486/450
Likewise, for the 2nd fraction, since 90 × 5 = 450,
25/90 = 25 × 5/90 × 5 = 125/450
Add the two like fractions:
486/450 + 125/450 = 486 + 125/450 = 611/450
So, 27/25 + 25/90 = 611/450
In mixed form: 1161/450

MathStep (Works offline)

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