Subtract 32/4 from 3/42
1st number: 3/42, 2nd number: 8 0/4
3/42 - 32/4 is -111/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
3/42 = 3 × 2/42 × 2 = 6/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
32/4 = 32 × 21/4 × 21 = 672/84 - Subtract the two like fractions:
6/84 - 672/84 = 6 - 672/84 = -666/84 - After reducing the fraction, the answer is -111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42-32/4 3/42-64/4 3/84-32/4 3/42-32/8 9/42-32/4 3/42-96/4 3/42-32/12 15/42-32/4 3/42-32/20 21/42-32/4 3/42-32/28