Subtract 40/5 from 50/84
1st number: 50/84, 2nd number: 8 0/5
50/84 - 40/5 is -311/42.
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,
50/84 = 50 × 5/84 × 5 = 250/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
40/5 = 40 × 84/5 × 84 = 3360/420 - Subtract the two like fractions:
250/420 - 3360/420 = 250 - 3360/420 = -3110/420 - After reducing the fraction, the answer is -311/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84-80/5 50/84-40/10 50/84-40/15 50/84-40/25 50/84-40/35