Subtract 80/15 from 5/84
1st number: 5/84, 2nd number: 5 5/15
5/84 - 80/15 is -443/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
80/15 = 80 × 28/15 × 28 = 2240/420 - Subtract the two like fractions:
25/420 - 2240/420 = 25 - 2240/420 = -2215/420 - After reducing the fraction, the answer is -443/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84-80/15 5/84-80/30 15/84-80/15 5/84-80/45 25/84-80/15 5/84-80/75 35/84-80/15