Add 45/3 and 18/45
1st number: 15 0/3, 2nd number: 18/45
45/3 + 18/45 is 77/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
45/3 = 45 × 15/3 × 15 = 675/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
18/45 = 18 × 1/45 × 1 = 18/45 - Add the two like fractions:
675/45 + 18/45 = 675 + 18/45 = 693/45 - 693/45 simplified gives 77/5
- So, 45/3 + 18/45 = 77/5
In mixed form: 152/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+18/45 45/3+36/45 45/6+18/45 45/3+18/90 45/3+54/45 45/9+18/45 45/3+90/45 45/15+18/45 45/21+18/45