Subtract 20/24 from 40/20
1st number: 2 0/20, 2nd number: 20/24
40/20 - 20/24 is 7/6.
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,
40/20 = 40 × 6/20 × 6 = 240/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Subtract the two like fractions:
240/120 - 100/120 = 240 - 100/120 = 140/120 - After reducing the fraction, the answer is 7/6
- In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-20/24 40/20-40/24 40/20-20/48 40/20-60/24 40/60-20/24 40/20-20/72