Subtract 3/84 from 15/5
1st number: 3 0/5, 2nd number: 3/84
15/5 - 3/84 is 83/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 5 × 84 = 420,
15/5 = 15 × 84/5 × 84 = 1260/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
3/84 = 3 × 5/84 × 5 = 15/420 - Subtract the two like fractions:
1260/420 - 15/420 = 1260 - 15/420 = 1245/420 - After reducing the fraction, the answer is 83/28
- In mixed form: 227/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-3/84 15/5-6/84 15/10-3/84 45/5-3/84 15/5-9/84 75/5-3/84 15/5-15/84 15/25-3/84 15/5-21/84 15/35-3/84