Subtract 1/5 from 8/4
1st number: 2 0/4, 2nd number: 1/5
8/4 - 1/5 is 9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
8/4 = 8 × 5/4 × 5 = 40/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
1/5 = 1 × 4/5 × 4 = 4/20 - Subtract the two like fractions:
40/20 - 4/20 = 40 - 4/20 = 36/20 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/4-1/5 8/4-2/5 8/4-1/10 24/4-1/5 8/4-3/5 8/12-1/5 8/4-1/15 40/4-1/5 8/20-1/5 8/4-1/25 56/4-1/5 8/4-7/5 8/28-1/5 8/4-1/35