Subtract 21/36 from 84/16
1st number: 5 4/16, 2nd number: 21/36
84/16 - 21/36 is 14/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 36 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
84/16 = 84 × 9/16 × 9 = 756/144 - Likewise, for the 2nd fraction, since 36 × 4 = 144,
21/36 = 21 × 4/36 × 4 = 84/144 - Subtract the two like fractions:
756/144 - 84/144 = 756 - 84/144 = 672/144 - After reducing the fraction, the answer is 14/3
- In mixed form: 42/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-42/36 84/32-21/36 84/16-21/72 84/16-63/36 84/48-21/36 84/80-21/36