Subtract 56/12 from 40/10
1st number: 4 0/10, 2nd number: 4 8/12
40/10 - 56/12 is -2/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
40/10 = 40 × 6/10 × 6 = 240/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
56/12 = 56 × 5/12 × 5 = 280/60 - Subtract the two like fractions:
240/60 - 280/60 = 240 - 280/60 = -40/60 - After reducing the fraction, the answer is -2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-56/12 40/20-56/12 40/10-56/24 40/30-56/12 40/10-56/36 40/50-56/12 40/10-56/60 40/70-56/12 40/10-56/84