Add 50/75 and 30/18, Solve 50/75 + 1 12/18 as a fraction

Add 50/75 and 30/18

1^st number: 50/75, 2^nd number: 1 12/18

50/75 + 30/18 is 7/3.

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

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 75 × 6 = 450,
50/75 = 50 × 6/75 × 6 = 300/450
Likewise, for the 2nd fraction, since 18 × 25 = 450,
30/18 = 30 × 25/18 × 25 = 750/450
Add the two like fractions:
300/450 + 750/450 = 300 + 750/450 = 1050/450
1050/450 simplified gives 7/3
So, 50/75 + 30/18 = 7/3
In mixed form: 21/3

MathStep (Works offline)

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