Subtract 48/42 from 12/6
1st number: 2 0/6, 2nd number: 1 6/42
12/6 - 48/42 is 6/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
12/6 = 12 × 7/6 × 7 = 84/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
48/42 = 48 × 1/42 × 1 = 48/42 - Subtract the two like fractions:
84/42 - 48/42 = 84 - 48/42 = 36/42 - After reducing the fraction, the answer is 6/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/6-48/42 12/6-96/42 12/6-48/84 36/6-48/42 12/18-48/42 60/6-48/42 12/30-48/42 84/6-48/42 12/42-48/42