Add 45/3 and 72/75
1st number: 15 0/3, 2nd number: 72/75
45/3 + 72/75 is 399/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 75 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 3 × 25 = 75,
45/3 = 45 × 25/3 × 25 = 1125/75 - Likewise, for the 2nd fraction, since 75 × 1 = 75,
72/75 = 72 × 1/75 × 1 = 72/75 - Add the two like fractions:
1125/75 + 72/75 = 1125 + 72/75 = 1197/75 - 1197/75 simplified gives 399/25
- So, 45/3 + 72/75 = 399/25
In mixed form: 1524/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+72/75 45/6+72/75 45/9+72/75 45/15+72/75 45/21+72/75