Subtract 56/21 from 2/84
1st number: 2/84, 2nd number: 2 14/21
2/84 - 56/21 is -37/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
2/84 = 2 × 1/84 × 1 = 2/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
56/21 = 56 × 4/21 × 4 = 224/84 - Subtract the two like fractions:
2/84 - 224/84 = 2 - 224/84 = -222/84 - After reducing the fraction, the answer is -37/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-56/21 2/84-56/42 6/84-56/21 2/84-56/63 10/84-56/21 14/84-56/21