Subtract 54/96 from 5/42
5/42 - 54/96 is -149/336.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 96 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
5/42 = 5 × 16/42 × 16 = 80/672 - Likewise, for the 2nd fraction, since 96 × 7 = 672,
54/96 = 54 × 7/96 × 7 = 378/672 - Subtract the two like fractions:
80/672 - 378/672 = 80 - 378/672 = -298/672 - After reducing the fraction, the answer is -149/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42-54/96 5/84-54/96 15/42-54/96 25/42-54/96 35/42-54/96