Add 45/3 and 75/15
1st number: 15 0/3, 2nd number: 5 0/15
45/3 + 75/15 is 20/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 15 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
45/3 = 45 × 5/3 × 5 = 225/15 - Likewise, for the 2nd fraction, since 15 × 1 = 15,
75/15 = 75 × 1/15 × 1 = 75/15 - Add the two like fractions:
225/15 + 75/15 = 225 + 75/15 = 300/15 - 300/15 simplified gives 20/1
- So, 45/3 + 75/15 = 20/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3+75/15 45/6+75/15 45/3+75/30 45/9+75/15 45/3+75/45 45/15+75/15 45/21+75/15