Subtract 5/40 from 75/6
1st number: 12 3/6, 2nd number: 5/40
75/6 - 5/40 is 99/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
75/6 = 75 × 20/6 × 20 = 1500/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Subtract the two like fractions:
1500/120 - 15/120 = 1500 - 15/120 = 1485/120 - After reducing the fraction, the answer is 99/8
- In mixed form: 123/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/6-10/40 75/12-5/40 75/6-5/80 75/6-15/40 75/18-5/40 75/6-25/40 75/30-5/40 75/6-35/40 75/42-5/40