Subtract 6/40 from 40/20
1st number: 2 0/20, 2nd number: 6/40
40/20 - 6/40 is 37/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
40/20 = 40 × 2/20 × 2 = 80/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
6/40 = 6 × 1/40 × 1 = 6/40 - Subtract the two like fractions:
80/40 - 6/40 = 80 - 6/40 = 74/40 - After reducing the fraction, the answer is 37/20
- In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-6/40 40/20-12/40 40/20-6/80 40/20-18/40 40/60-6/40 40/20-30/40 40/20-42/40