Subtract 56/40 from 84/16
1st number: 5 4/16, 2nd number: 1 16/40
84/16 - 56/40 is 77/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 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 40 × 2 = 80,
56/40 = 56 × 2/40 × 2 = 112/80 - Subtract the two like fractions:
420/80 - 112/80 = 420 - 112/80 = 308/80 - After reducing the fraction, the answer is 77/20
- In mixed form: 317/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-56/40 84/16-56/80 84/48-56/40 84/80-56/40