Subtract 20/5 from 4/20
1st number: 4/20, 2nd number: 4 0/5
4/20 - 20/5 is -19/5.
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,
4/20 = 4 × 1/20 × 1 = 4/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
20/5 = 20 × 4/5 × 4 = 80/20 - Subtract the two like fractions:
4/20 - 80/20 = 4 - 80/20 = -76/20 - After reducing the fraction, the answer is -19/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20-20/5 4/20-40/5 4/40-20/5 4/20-20/10 12/20-20/5 4/20-60/5 4/60-20/5 4/20-20/15 4/20-20/25 28/20-20/5 4/20-20/35