Add 18/75 and 45/40
1st number: 18/75, 2nd number: 1 5/40
18/75 + 45/40 is 273/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
18/75 = 18 × 8/75 × 8 = 144/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
45/40 = 45 × 15/40 × 15 = 675/600 - Add the two like fractions:
144/600 + 675/600 = 144 + 675/600 = 819/600 - 819/600 simplified gives 273/200
- So, 18/75 + 45/40 = 273/200
In mixed form: 173/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75+45/40 18/75+90/40 18/75+45/80 54/75+45/40 90/75+45/40