Subtract 30/18 from 50/48
1st number: 1 2/48, 2nd number: 1 12/18
50/48 - 30/18 is -5/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 18 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
50/48 = 50 × 3/48 × 3 = 150/144 - Likewise, for the 2nd fraction, since 18 × 8 = 144,
30/18 = 30 × 8/18 × 8 = 240/144 - Subtract the two like fractions:
150/144 - 240/144 = 150 - 240/144 = -90/144 - After reducing the fraction, the answer is -5/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/48-60/18 50/96-30/18 50/48-30/36 50/48-90/18 50/48-30/54 50/48-30/90