Subtract 56/16 from 8/84
1st number: 8/84, 2nd number: 3 8/16
8/84 - 56/16 is -143/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
8/84 = 8 × 4/84 × 4 = 32/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
56/16 = 56 × 21/16 × 21 = 1176/336 - Subtract the two like fractions:
32/336 - 1176/336 = 32 - 1176/336 = -1144/336 - After reducing the fraction, the answer is -143/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/84-56/16 8/84-56/32 24/84-56/16 8/84-56/48 40/84-56/16 8/84-56/80 56/84-56/16