Add 45/4 and 75/18
1st number: 11 1/4, 2nd number: 4 3/18
45/4 + 75/18 is 185/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
45/4 = 45 × 9/4 × 9 = 405/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
75/18 = 75 × 2/18 × 2 = 150/36 - Add the two like fractions:
405/36 + 150/36 = 405 + 150/36 = 555/36 - 555/36 simplified gives 185/12
- So, 45/4 + 75/18 = 185/12
In mixed form: 155/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+75/18 45/8+75/18 45/4+75/36 45/12+75/18 45/4+75/54 45/20+75/18 45/4+75/90 45/28+75/18