Subtract 50/48 from 5/42
1st number: 5/42, 2nd number: 1 2/48
5/42 - 50/48 is -155/168.
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,
5/42 = 5 × 8/42 × 8 = 40/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
50/48 = 50 × 7/48 × 7 = 350/336 - Subtract the two like fractions:
40/336 - 350/336 = 40 - 350/336 = -310/336 - After reducing the fraction, the answer is -155/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42-50/48 5/84-50/48 5/42-50/96 15/42-50/48 25/42-50/48 35/42-50/48