Subtract 6/18 from 75/30
1st number: 2 15/30, 2nd number: 6/18
75/30 - 6/18 is 13/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
75/30 = 75 × 3/30 × 3 = 225/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
6/18 = 6 × 5/18 × 5 = 30/90 - Subtract the two like fractions:
225/90 - 30/90 = 225 - 30/90 = 195/90 - After reducing the fraction, the answer is 13/6
- In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/30-12/18 75/60-6/18 75/30-6/36 75/90-6/18 75/30-6/54 75/30-30/18 75/30-6/90 75/30-42/18