Add 45/18 and 18/75
1st number: 2 9/18, 2nd number: 18/75
45/18 + 18/75 is 137/50.
Steps for adding fractions
- 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,
45/18 = 45 × 25/18 × 25 = 1125/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
18/75 = 18 × 6/75 × 6 = 108/450 - Add the two like fractions:
1125/450 + 108/450 = 1125 + 108/450 = 1233/450 - 1233/450 simplified gives 137/50
- So, 45/18 + 18/75 = 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: 90/18+18/75 45/18+36/75 45/36+18/75 45/18+54/75 45/54+18/75 45/18+90/75 45/90+18/75