Add 18/75 and 20/45
18/75 + 20/45 is 154/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
18/75 = 18 × 3/75 × 3 = 54/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
20/45 = 20 × 5/45 × 5 = 100/225 - Add the two like fractions:
54/225 + 100/225 = 54 + 100/225 = 154/225 - So, 18/75 + 20/45 = 154/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75+20/45 18/75+40/45 18/75+20/90 54/75+20/45 18/75+60/45 90/75+20/45