Subtract 45/80 from 40/10
1st number: 4 0/10, 2nd number: 45/80
40/10 - 45/80 is 55/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
40/10 = 40 × 8/10 × 8 = 320/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Subtract the two like fractions:
320/80 - 45/80 = 320 - 45/80 = 275/80 - After reducing the fraction, the answer is 55/16
- In mixed form: 37/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-45/80 40/10-90/80 40/20-45/80 40/30-45/80 40/50-45/80 40/70-45/80