Subtract 30/12 from 40/24
1st number: 1 16/24, 2nd number: 2 6/12
40/24 - 30/12 is -5/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 24 × 1 = 24,
40/24 = 40 × 1/24 × 1 = 40/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
30/12 = 30 × 2/12 × 2 = 60/24 - Subtract the two like fractions:
40/24 - 60/24 = 40 - 60/24 = -20/24 - After reducing the fraction, the answer is -5/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24-30/12 40/24-60/12 40/48-30/12 40/24-30/24 40/24-90/12 40/72-30/12 40/24-30/36 40/24-30/60 40/24-30/84