Subtract 30/48 from 40/12
1st number: 3 4/12, 2nd number: 30/48
40/12 - 30/48 is 65/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
40/12 = 40 × 4/12 × 4 = 160/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
30/48 = 30 × 1/48 × 1 = 30/48 - Subtract the two like fractions:
160/48 - 30/48 = 160 - 30/48 = 130/48 - After reducing the fraction, the answer is 65/24
- In mixed form: 217/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12-30/48 40/12-60/48 40/24-30/48 40/12-30/96 40/12-90/48 40/36-30/48 40/60-30/48 40/84-30/48