Subtract 10/5 from 2/84
1st number: 2/84, 2nd number: 2 0/5
2/84 - 10/5 is -83/42.
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,
2/84 = 2 × 5/84 × 5 = 10/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
10/5 = 10 × 84/5 × 84 = 840/420 - Subtract the two like fractions:
10/420 - 840/420 = 10 - 840/420 = -830/420 - After reducing the fraction, the answer is -83/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-10/5 2/84-20/5 6/84-10/5 2/84-30/5 2/84-10/15 10/84-10/5 2/84-50/5 2/84-10/25 14/84-10/5 2/84-70/5 2/84-10/35