Add 5/6 and 90/25, Solve 5/6 + 3 15/25 as a fraction

Add 5/6 and 90/25

1^st number: 5/6, 2^nd number: 3 15/25

5/6 + 90/25 is 133/30.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 25 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 6 × 25 = 150,
5/6 = 5 × 25/6 × 25 = 125/150
Likewise, for the 2nd fraction, since 25 × 6 = 150,
90/25 = 90 × 6/25 × 6 = 540/150
Add the two like fractions:
125/150 + 540/150 = 125 + 540/150 = 665/150
665/150 simplified gives 133/30
So, 5/6 + 90/25 = 133/30
In mixed form: 413/30

MathStep (Works offline)

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