Subtract 12/5 from 84/16
1st number: 5 4/16, 2nd number: 2 2/5
84/16 - 12/5 is 57/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
84/16 = 84 × 5/16 × 5 = 420/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
12/5 = 12 × 16/5 × 16 = 192/80 - Subtract the two like fractions:
420/80 - 192/80 = 420 - 192/80 = 228/80 - After reducing the fraction, the answer is 57/20
- In mixed form: 217/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-24/5 84/32-12/5 84/16-12/10 84/16-36/5 84/48-12/5 84/16-12/15 84/16-60/5 84/80-12/5 84/16-12/25 84/16-84/5 84/16-12/35