Subtract 6/45 from 36/18
1st number: 2 0/18, 2nd number: 6/45
36/18 - 6/45 is 28/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
36/18 = 36 × 5/18 × 5 = 180/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
6/45 = 6 × 2/45 × 2 = 12/90 - Subtract the two like fractions:
180/90 - 12/90 = 180 - 12/90 = 168/90 - After reducing the fraction, the answer is 28/15
- In mixed form: 113/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18-6/45 36/18-12/45 36/18-6/90 36/18-18/45 36/54-6/45 36/18-30/45 36/90-6/45 36/18-42/45