Subtract 75/4 from 3/40
1st number: 3/40, 2nd number: 18 3/4
3/40 - 75/4 is -747/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
3/40 = 3 × 1/40 × 1 = 3/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
75/4 = 75 × 10/4 × 10 = 750/40 - Subtract the two like fractions:
3/40 - 750/40 = 3 - 750/40 = -747/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/40-75/4 3/80-75/4 3/40-75/8 9/40-75/4 3/40-75/12 15/40-75/4 3/40-75/20 21/40-75/4 3/40-75/28