Subtract 15/84 from 45/5
1st number: 9 0/5, 2nd number: 15/84
45/5 - 15/84 is 247/28.
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,
45/5 = 45 × 84/5 × 84 = 3780/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
15/84 = 15 × 5/84 × 5 = 75/420 - Subtract the two like fractions:
3780/420 - 75/420 = 3780 - 75/420 = 3705/420 - After reducing the fraction, the answer is 247/28
- In mixed form: 823/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/5-15/84 45/5-30/84 45/10-15/84 45/5-45/84 45/15-15/84 45/5-75/84 45/25-15/84 45/35-15/84