Subtract 16/5 from 40/20
1st number: 2 0/20, 2nd number: 3 1/5
40/20 - 16/5 is -6/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 5 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 5 × 4 = 20,
16/5 = 16 × 4/5 × 4 = 64/20 - Subtract the two like fractions:
40/20 - 64/20 = 40 - 64/20 = -24/20 - After reducing the fraction, the answer is -6/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20-16/5 40/20-32/5 40/20-16/10 40/20-48/5 40/60-16/5 40/20-16/15 40/20-80/5 40/20-16/25 40/20-16/35