Subtract 75/40 from 45/14
1st number: 3 3/14, 2nd number: 1 35/40
45/14 - 75/40 is 75/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
45/14 = 45 × 20/14 × 20 = 900/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
75/40 = 75 × 7/40 × 7 = 525/280 - Subtract the two like fractions:
900/280 - 525/280 = 900 - 525/280 = 375/280 - After reducing the fraction, the answer is 75/56
- In mixed form: 119/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-75/40 45/28-75/40 45/14-75/80 45/42-75/40 45/70-75/40 45/98-75/40