Subtract 14/84 from 20/5
1st number: 4 0/5, 2nd number: 14/84
20/5 - 14/84 is 23/6.
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,
20/5 = 20 × 84/5 × 84 = 1680/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
14/84 = 14 × 5/84 × 5 = 70/420 - Subtract the two like fractions:
1680/420 - 70/420 = 1680 - 70/420 = 1610/420 - After reducing the fraction, the answer is 23/6
- In mixed form: 35/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5-14/84 20/5-28/84 20/10-14/84 60/5-14/84 20/5-42/84 20/15-14/84 20/5-70/84 20/25-14/84 20/5-98/84 20/35-14/84