Subtract 16/6 from 20/84
1st number: 20/84, 2nd number: 2 4/6
20/84 - 16/6 is -17/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
16/6 = 16 × 14/6 × 14 = 224/84 - Subtract the two like fractions:
20/84 - 224/84 = 20 - 224/84 = -204/84 - After reducing the fraction, the answer is -17/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84-16/6 20/84-32/6 20/84-16/12 60/84-16/6 20/84-48/6 20/84-16/18 20/84-80/6 20/84-16/30 20/84-16/42