Subtract 18/3 from 4/84
1st number: 4/84, 2nd number: 6 0/3
4/84 - 18/3 is -125/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 3 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84 - Likewise, for the 2nd fraction, since 3 × 28 = 84,
18/3 = 18 × 28/3 × 28 = 504/84 - Subtract the two like fractions:
4/84 - 504/84 = 4 - 504/84 = -500/84 - After reducing the fraction, the answer is -125/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84-18/3 4/84-36/3 4/84-18/6 12/84-18/3 4/84-54/3 4/84-18/9 20/84-18/3 4/84-90/3 4/84-18/15 28/84-18/3 4/84-18/21