Subtract 5/20 from 84/25
1st number: 3 9/25, 2nd number: 5/20
84/25 - 5/20 is 311/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
84/25 = 84 × 4/25 × 4 = 336/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
5/20 = 5 × 5/20 × 5 = 25/100 - Subtract the two like fractions:
336/100 - 25/100 = 336 - 25/100 = 311/100 - In mixed form: 311/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/25-10/20 84/50-5/20 84/25-5/40 84/25-15/20 84/75-5/20 84/25-5/60 84/25-25/20 84/25-35/20