Add 25/18 and 10/75, Solve 1 7/18 + 10/75 as a fraction

Add 25/18 and 10/75

1^st number: 1 7/18, 2^nd number: 10/75

25/18 + 10/75 is 137/90.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 18 × 25 = 450,
25/18 = 25 × 25/18 × 25 = 625/450
Likewise, for the 2nd fraction, since 75 × 6 = 450,
10/75 = 10 × 6/75 × 6 = 60/450
Add the two like fractions:
625/450 + 60/450 = 625 + 60/450 = 685/450
685/450 simplified gives 137/90
So, 25/18 + 10/75 = 137/90
In mixed form: 147/90

MathStep (Works offline)

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