Subtract 20/5 from 4/10
1st number: 4/10, 2nd number: 4 0/5
4/10 - 20/5 is -18/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
4/10 = 4 × 1/10 × 1 = 4/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
20/5 = 20 × 2/5 × 2 = 40/10 - Subtract the two like fractions:
4/10 - 40/10 = 4 - 40/10 = -36/10 - After reducing the fraction, the answer is -18/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/10-20/5 4/10-40/5 4/20-20/5 4/10-20/10 12/10-20/5 4/10-60/5 4/30-20/5 4/10-20/15 20/10-20/5 4/50-20/5 4/10-20/25 28/10-20/5 4/70-20/5 4/10-20/35