Subtract 10/20 from 84/5
1st number: 16 4/5, 2nd number: 10/20
84/5 - 10/20 is 163/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
84/5 = 84 × 4/5 × 4 = 336/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
10/20 = 10 × 1/20 × 1 = 10/20 - Subtract the two like fractions:
336/20 - 10/20 = 336 - 10/20 = 326/20 - After reducing the fraction, the answer is 163/10
- In mixed form: 163/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-10/20 84/5-10/40 84/5-30/20 84/15-10/20 84/5-10/60 84/5-50/20 84/25-10/20 84/5-70/20 84/35-10/20