Subtract 8/84 from 45/5
1st number: 9 0/5, 2nd number: 8/84
45/5 - 8/84 is 187/21.
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,
45/5 = 45 × 84/5 × 84 = 3780/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
8/84 = 8 × 5/84 × 5 = 40/420 - Subtract the two like fractions:
3780/420 - 40/420 = 3780 - 40/420 = 3740/420 - After reducing the fraction, the answer is 187/21
- In mixed form: 819/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-8/84 45/5-16/84 45/10-8/84 45/5-24/84 45/15-8/84 45/5-40/84 45/25-8/84 45/5-56/84 45/35-8/84