Subtract 84/48 from 25/42
1st number: 25/42, 2nd number: 1 36/48
25/42 - 84/48 is -97/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
25/42 = 25 × 8/42 × 8 = 200/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
84/48 = 84 × 7/48 × 7 = 588/336 - Subtract the two like fractions:
200/336 - 588/336 = 200 - 588/336 = -388/336 - After reducing the fraction, the answer is -97/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42-84/48 25/84-84/48 25/42-84/96 75/42-84/48