Add 75/4 and 42/18
1st number: 18 3/4, 2nd number: 2 6/18
75/4 + 42/18 is 253/12.
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,
75/4 = 75 × 9/4 × 9 = 675/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
42/18 = 42 × 2/18 × 2 = 84/36 - Add the two like fractions:
675/36 + 84/36 = 675 + 84/36 = 759/36 - 759/36 simplified gives 253/12
- So, 75/4 + 42/18 = 253/12
In mixed form: 211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/4+84/18 75/8+42/18 75/4+42/36 75/12+42/18 75/4+42/54 75/20+42/18 75/4+42/90 75/28+42/18