Subtract 40/4 from 45/6
1st number: 7 3/6, 2nd number: 10 0/4
45/6 - 40/4 is -5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
45/6 = 45 × 2/6 × 2 = 90/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
40/4 = 40 × 3/4 × 3 = 120/12 - Subtract the two like fractions:
90/12 - 120/12 = 90 - 120/12 = -30/12 - After reducing the fraction, the answer is -5/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6-40/4 45/6-80/4 45/12-40/4 45/6-40/8 45/18-40/4 45/6-40/12 45/30-40/4 45/6-40/20 45/42-40/4 45/6-40/28