Subtract 81/16 from 84/5
1st number: 16 4/5, 2nd number: 5 1/16
84/5 - 81/16 is 939/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
84/5 = 84 × 16/5 × 16 = 1344/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
81/16 = 81 × 5/16 × 5 = 405/80 - Subtract the two like fractions:
1344/80 - 405/80 = 1344 - 405/80 = 939/80 - In mixed form: 1159/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10-81/16 84/5-81/32 84/15-81/16 84/5-81/48 84/25-81/16 84/5-81/80 84/35-81/16