Subtract 4/16 from 5/84
5/84 - 4/16 is -4/21.
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,
5/84 = 5 × 4/84 × 4 = 20/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
4/16 = 4 × 21/16 × 21 = 84/336 - Subtract the two like fractions:
20/336 - 84/336 = 20 - 84/336 = -64/336 - After reducing the fraction, the answer is -4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84-4/16 5/84-8/16 5/84-4/32 15/84-4/16 5/84-12/16 5/84-4/48 25/84-4/16 5/84-20/16 5/84-4/80 35/84-4/16 5/84-28/16