Subtract 42/48 from 3/6
3/6 - 42/48 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 6 × 8 = 48,
3/6 = 3 × 8/6 × 8 = 24/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
42/48 = 42 × 1/48 × 1 = 42/48 - Subtract the two like fractions:
24/48 - 42/48 = 24 - 42/48 = -18/48 - After reducing the fraction, the answer is -3/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 3/6-84/48 3/12-42/48 3/6-42/96 9/6-42/48 3/18-42/48 15/6-42/48 3/30-42/48 21/6-42/48 3/42-42/48