Subtract 7/42 from 50/28
1st number: 1 22/28, 2nd number: 7/42
50/28 - 7/42 is 34/21.
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,
7/42 = 7 × 2/42 × 2 = 14/84 - Subtract the two like fractions:
150/84 - 14/84 = 150 - 14/84 = 136/84 - After reducing the fraction, the answer is 34/21
- In mixed form: 113/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28-14/42 50/56-7/42 50/28-7/84 50/28-21/42 50/84-7/42 50/28-35/42 50/28-49/42