Subtract 40/4 from 12/3
1st number: 4 0/3, 2nd number: 10 0/4
12/3 - 40/4 is -6/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
12/3 = 12 × 4/3 × 4 = 48/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
40/4 = 40 × 3/4 × 3 = 120/12 - Subtract the two like fractions:
48/12 - 120/12 = 48 - 120/12 = -72/12 - After reducing the fraction, the answer is -6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/3-40/4 12/3-80/4 12/6-40/4 12/3-40/8 36/3-40/4 12/9-40/4 12/3-40/12 60/3-40/4 12/15-40/4 12/3-40/20 84/3-40/4 12/21-40/4 12/3-40/28