Subtract 4/80 from 84/8
1st number: 10 4/8, 2nd number: 4/80
84/8 - 4/80 is 209/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
84/8 = 84 × 10/8 × 10 = 840/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
4/80 = 4 × 1/80 × 1 = 4/80 - Subtract the two like fractions:
840/80 - 4/80 = 840 - 4/80 = 836/80 - After reducing the fraction, the answer is 209/20
- In mixed form: 109/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8-8/80 84/16-4/80 84/8-12/80 84/24-4/80 84/8-20/80 84/40-4/80 84/8-28/80 84/56-4/80