Subtract 5/16 from 84/42
1st number: 2 0/42, 2nd number: 5/16
84/42 - 5/16 is 27/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
84/42 = 84 × 8/42 × 8 = 672/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
5/16 = 5 × 21/16 × 21 = 105/336 - Subtract the two like fractions:
672/336 - 105/336 = 672 - 105/336 = 567/336 - After reducing the fraction, the answer is 27/16
- In mixed form: 111/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42-10/16 84/42-5/32 84/42-15/16 84/42-5/48 84/42-25/16 84/42-5/80 84/42-35/16