Subtract 18/40 from 36/2
1st number: 18 0/2, 2nd number: 18/40
36/2 - 18/40 is 351/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 2 × 20 = 40,
36/2 = 36 × 20/2 × 20 = 720/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
18/40 = 18 × 1/40 × 1 = 18/40 - Subtract the two like fractions:
720/40 - 18/40 = 720 - 18/40 = 702/40 - After reducing the fraction, the answer is 351/20
- In mixed form: 1711/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2-18/40 36/2-36/40 36/4-18/40 36/2-18/80 36/2-54/40 36/6-18/40 36/2-90/40 36/10-18/40 36/14-18/40