Subtract 21/84 from 84/16
1st number: 5 4/16, 2nd number: 21/84
84/16 - 21/84 is 5/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
84/16 = 84 × 21/16 × 21 = 1764/336 - Likewise, for the 2nd fraction, since 84 × 4 = 336,
21/84 = 21 × 4/84 × 4 = 84/336 - Subtract the two like fractions:
1764/336 - 84/336 = 1764 - 84/336 = 1680/336 - After reducing the fraction, the answer is 5/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-42/84 84/32-21/84 84/16-63/84 84/48-21/84 84/80-21/84