Add 63/75 and 54/45
1st number: 63/75, 2nd number: 1 9/45
63/75 + 54/45 is 51/25.
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,
63/75 = 63 × 3/75 × 3 = 189/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
54/45 = 54 × 5/45 × 5 = 270/225 - Add the two like fractions:
189/225 + 270/225 = 189 + 270/225 = 459/225 - 459/225 simplified gives 51/25
- So, 63/75 + 54/45 = 51/25
In mixed form: 21/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/75+54/90