Subtract 48/7 from 3/42
1st number: 3/42, 2nd number: 6 6/7
3/42 - 48/7 is -95/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
3/42 = 3 × 1/42 × 1 = 3/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
48/7 = 48 × 6/7 × 6 = 288/42 - Subtract the two like fractions:
3/42 - 288/42 = 3 - 288/42 = -285/42 - After reducing the fraction, the answer is -95/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42-48/7 3/42-96/7 3/84-48/7 3/42-48/14 9/42-48/7 3/42-48/21 15/42-48/7 3/42-48/35 21/42-48/7 3/42-48/49