Add 18/75 and 45/18
1st number: 18/75, 2nd number: 2 9/18
18/75 + 45/18 is 137/50.
Steps for adding fractions
- 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,
18/75 = 18 × 6/75 × 6 = 108/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
45/18 = 45 × 25/18 × 25 = 1125/450 - Add the two like fractions:
108/450 + 1125/450 = 108 + 1125/450 = 1233/450 - 1233/450 simplified gives 137/50
- So, 18/75 + 45/18 = 137/50
In mixed form: 237/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75+45/18 18/75+90/18 18/75+45/36 54/75+45/18 18/75+45/54 90/75+45/18 18/75+45/90