Add 15/3 and 25/10, Solve 5 0/3 + 2 5/10 as a fraction

Add 15/3 and 25/10

1^st number: 5 0/3, 2^nd number: 2 5/10

15/3 + 25/10 is 15/2.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 3 × 10 = 30,
15/3 = 15 × 10/3 × 10 = 150/30
Likewise, for the 2nd fraction, since 10 × 3 = 30,
25/10 = 25 × 3/10 × 3 = 75/30
Add the two like fractions:
150/30 + 75/30 = 150 + 75/30 = 225/30
225/30 simplified gives 15/2
So, 15/3 + 25/10 = 15/2
In mixed form: 71/2

MathStep (Works offline)

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