Subtract 8/84 from 6/4
1st number: 1 2/4, 2nd number: 8/84
6/4 - 8/84 is 59/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
6/4 = 6 × 21/4 × 21 = 126/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Subtract the two like fractions:
126/84 - 8/84 = 126 - 8/84 = 118/84 - After reducing the fraction, the answer is 59/42
- In mixed form: 117/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/4-8/84 6/4-16/84 6/8-8/84 18/4-8/84 6/4-24/84 6/12-8/84 30/4-8/84 6/4-40/84 6/20-8/84 42/4-8/84 6/4-56/84 6/28-8/84