Subtract 45/16 from 40/5
1st number: 8 0/5, 2nd number: 2 13/16
40/5 - 45/16 is 83/16.
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,
40/5 = 40 × 16/5 × 16 = 640/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
45/16 = 45 × 5/16 × 5 = 225/80 - Subtract the two like fractions:
640/80 - 225/80 = 640 - 225/80 = 415/80 - After reducing the fraction, the answer is 83/16
- In mixed form: 53/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5-45/16 40/5-90/16 40/10-45/16 40/5-45/32 40/15-45/16 40/5-45/48 40/25-45/16 40/5-45/80 40/35-45/16