Subtract 6/8 from 36/18
1st number: 2 0/18, 2nd number: 6/8
36/18 - 6/8 is 5/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
36/18 = 36 × 4/18 × 4 = 144/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
6/8 = 6 × 9/8 × 9 = 54/72 - Subtract the two like fractions:
144/72 - 54/72 = 144 - 54/72 = 90/72 - After reducing the fraction, the answer is 5/4
- In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18-6/8 36/18-12/8 36/18-6/16 36/18-18/8 36/54-6/8 36/18-6/24 36/18-30/8 36/90-6/8 36/18-6/40 36/18-42/8 36/18-6/56