Add 15/3 and 90/25, Solve 5 0/3 + 3 15/25 as a fraction

Add 15/3 and 90/25

1^st number: 5 0/3, 2^nd number: 3 15/25

15/3 + 90/25 is 43/5.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 25 is 75

Next, find the equivalent fraction of both fractional numbers with denominator 75
For the 1st fraction, since 3 × 25 = 75,
15/3 = 15 × 25/3 × 25 = 375/75
Likewise, for the 2nd fraction, since 25 × 3 = 75,
90/25 = 90 × 3/25 × 3 = 270/75
Add the two like fractions:
375/75 + 270/75 = 375 + 270/75 = 645/75
645/75 simplified gives 43/5
So, 15/3 + 90/25 = 43/5
In mixed form: 83/5

MathStep (Works offline)

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