Subtract 48/28 from 5/42
1st number: 5/42, 2nd number: 1 20/28
5/42 - 48/28 is -67/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
5/42 = 5 × 2/42 × 2 = 10/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
48/28 = 48 × 3/28 × 3 = 144/84 - Subtract the two like fractions:
10/84 - 144/84 = 10 - 144/84 = -134/84 - After reducing the fraction, the answer is -67/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42-48/28 5/42-96/28 5/84-48/28 5/42-48/56 15/42-48/28 5/42-48/84 25/42-48/28 35/42-48/28