Add 30/75 and 18/36
30/75 + 18/36 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
30/75 = 30 × 12/75 × 12 = 360/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
18/36 = 18 × 25/36 × 25 = 450/900 - Add the two like fractions:
360/900 + 450/900 = 360 + 450/900 = 810/900 - 810/900 simplified gives 9/10
- So, 30/75 + 18/36 = 9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+18/36 30/75+18/72 90/75+18/36 30/75+54/36 30/75+90/36