Subtract 3/42 from 48/28
1st number: 1 20/28, 2nd number: 3/42
48/28 - 3/42 is 23/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
48/28 = 48 × 3/28 × 3 = 144/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
3/42 = 3 × 2/42 × 2 = 6/84 - Subtract the two like fractions:
144/84 - 6/84 = 144 - 6/84 = 138/84 - After reducing the fraction, the answer is 23/14
- In mixed form: 19/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/28-3/42 48/28-6/42 48/56-3/42 48/28-3/84 48/28-9/42 48/84-3/42 48/28-15/42 48/28-21/42