Subtract 80/5 from 9/84
1st number: 9/84, 2nd number: 16 0/5
9/84 - 80/5 is -445/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
80/5 = 80 × 84/5 × 84 = 6720/420 - Subtract the two like fractions:
45/420 - 6720/420 = 45 - 6720/420 = -6675/420 - After reducing the fraction, the answer is -445/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/84-80/5 9/84-80/10 27/84-80/5 9/84-80/15 45/84-80/5 9/84-80/25 63/84-80/5 9/84-80/35