Subtract 30/48 from 30/12
1st number: 2 6/12, 2nd number: 30/48
30/12 - 30/48 is 15/8.
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,
30/12 = 30 × 4/12 × 4 = 120/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
30/48 = 30 × 1/48 × 1 = 30/48 - Subtract the two like fractions:
120/48 - 30/48 = 120 - 30/48 = 90/48 - After reducing the fraction, the answer is 15/8
- In mixed form: 17/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12-30/48 30/12-60/48 30/24-30/48 30/12-30/96 90/12-30/48 30/12-90/48 30/36-30/48 30/60-30/48 30/84-30/48