Subtract 75/6 from 7/40
1st number: 7/40, 2nd number: 12 3/6
7/40 - 75/6 is -493/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
75/6 = 75 × 20/6 × 20 = 1500/120 - Subtract the two like fractions:
21/120 - 1500/120 = 21 - 1500/120 = -1479/120 - After reducing the fraction, the answer is -493/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/40-75/6 7/80-75/6 7/40-75/12 21/40-75/6 7/40-75/18 35/40-75/6 7/40-75/30 49/40-75/6 7/40-75/42