Subtract 24/42 from 2/84
2/84 - 24/42 is -23/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
2/84 = 2 × 1/84 × 1 = 2/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
24/42 = 24 × 2/42 × 2 = 48/84 - Subtract the two like fractions:
2/84 - 48/84 = 2 - 48/84 = -46/84 - After reducing the fraction, the answer is -23/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/84-24/42 2/84-48/42 2/84-24/84 6/84-24/42 2/84-72/42 10/84-24/42 14/84-24/42