Subtract 36/20 from 84/16
1st number: 5 4/16, 2nd number: 1 16/20
84/16 - 36/20 is 69/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 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 20 × 4 = 80,
36/20 = 36 × 4/20 × 4 = 144/80 - Subtract the two like fractions:
420/80 - 144/80 = 420 - 144/80 = 276/80 - After reducing the fraction, the answer is 69/20
- In mixed form: 39/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16-72/20 84/32-36/20 84/16-36/40 84/48-36/20 84/16-36/60 84/80-36/20