Subtract 9/42 from 50/28
1st number: 1 22/28, 2nd number: 9/42
50/28 - 9/42 is 11/7.
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,
50/28 = 50 × 3/28 × 3 = 150/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
9/42 = 9 × 2/42 × 2 = 18/84 - Subtract the two like fractions:
150/84 - 18/84 = 150 - 18/84 = 132/84 - After reducing the fraction, the answer is 11/7
- In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28-18/42 50/56-9/42 50/28-9/84 50/28-27/42 50/84-9/42 50/28-45/42 50/28-63/42