Subtract 20/14 from 10/84
1st number: 10/84, 2nd number: 1 6/14
10/84 - 20/14 is -55/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
10/84 = 10 × 1/84 × 1 = 10/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
20/14 = 20 × 6/14 × 6 = 120/84 - Subtract the two like fractions:
10/84 - 120/84 = 10 - 120/84 = -110/84 - After reducing the fraction, the answer is -55/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/84-20/14 10/84-40/14 10/84-20/28 30/84-20/14 10/84-60/14 10/84-20/42 50/84-20/14 10/84-20/70 70/84-20/14 10/84-20/98