Subtract 20/16 from 14/84
1st number: 14/84, 2nd number: 1 4/16
14/84 - 20/16 is -13/12.
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,
14/84 = 14 × 4/84 × 4 = 56/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
20/16 = 20 × 21/16 × 21 = 420/336 - Subtract the two like fractions:
56/336 - 420/336 = 56 - 420/336 = -364/336 - After reducing the fraction, the answer is -13/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/84-20/16 14/84-40/16 14/84-20/32 42/84-20/16 14/84-60/16 14/84-20/48 70/84-20/16 14/84-20/80 98/84-20/16