Subtract 18/24 from 36/20
1st number: 1 16/20, 2nd number: 18/24
36/20 - 18/24 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
36/20 = 36 × 6/20 × 6 = 216/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
18/24 = 18 × 5/24 × 5 = 90/120 - Subtract the two like fractions:
216/120 - 90/120 = 216 - 90/120 = 126/120 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20-18/24 36/20-36/24 36/40-18/24 36/20-18/48 36/20-54/24 36/60-18/24 36/20-18/72 36/20-90/24