Subtract 18/48 from 12/4
1st number: 3 0/4, 2nd number: 18/48
12/4 - 18/48 is 21/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 4 × 12 = 48,
12/4 = 12 × 12/4 × 12 = 144/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
18/48 = 18 × 1/48 × 1 = 18/48 - Subtract the two like fractions:
144/48 - 18/48 = 144 - 18/48 = 126/48 - After reducing the fraction, the answer is 21/8
- In mixed form: 25/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4-18/48 12/4-36/48 12/8-18/48 12/4-18/96 36/4-18/48 12/4-54/48 60/4-18/48 12/4-90/48 12/20-18/48 84/4-18/48 12/28-18/48