Subtract 18/5 from 36/2
1st number: 18 0/2, 2nd number: 3 3/5
36/2 - 18/5 is 72/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
36/2 = 36 × 5/2 × 5 = 180/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
18/5 = 18 × 2/5 × 2 = 36/10 - Subtract the two like fractions:
180/10 - 36/10 = 180 - 36/10 = 144/10 - After reducing the fraction, the answer is 72/5
- In mixed form: 142/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2-18/5 36/2-36/5 36/4-18/5 36/2-18/10 36/2-54/5 36/6-18/5 36/2-18/15 36/2-90/5 36/10-18/5 36/2-18/25 36/14-18/5 36/2-18/35