Add 54/45 and 18/75
1st number: 1 9/45, 2nd number: 18/75
54/45 + 18/75 is 36/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 75 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
54/45 = 54 × 5/45 × 5 = 270/225 - Likewise, for the 2nd fraction, since 75 × 3 = 225,
18/75 = 18 × 3/75 × 3 = 54/225 - Add the two like fractions:
270/225 + 54/225 = 270 + 54/225 = 324/225 - 324/225 simplified gives 36/25
- So, 54/45 + 18/75 = 36/25
In mixed form: 111/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+36/75 54/90+18/75 54/45+54/75 54/45+90/75