Subtract 6/4 from 40/20
1st number: 2 0/20, 2nd number: 1 2/4
40/20 - 6/4 is 1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
40/20 = 40 × 1/20 × 1 = 40/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
6/4 = 6 × 5/4 × 5 = 30/20 - Subtract the two like fractions:
40/20 - 30/20 = 40 - 30/20 = 10/20 - After reducing the fraction, the answer is 1/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-6/4 40/20-12/4 40/20-6/8 40/20-18/4 40/60-6/4 40/20-6/12 40/20-30/4 40/20-6/20 40/20-42/4 40/20-6/28