Add 42/75 and 18/36
42/75 + 18/36 is 53/50.
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,
42/75 = 42 × 12/75 × 12 = 504/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
18/36 = 18 × 25/36 × 25 = 450/900 - Add the two like fractions:
504/900 + 450/900 = 504 + 450/900 = 954/900 - 954/900 simplified gives 53/50
- So, 42/75 + 18/36 = 53/50
In mixed form: 13/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+18/36 42/75+18/72 42/75+54/36 42/75+90/36