Subtract 21/42 from 50/2
1st number: 25 0/2, 2nd number: 21/42
50/2 - 21/42 is 49/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
50/2 = 50 × 21/2 × 21 = 1050/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
21/42 = 21 × 1/42 × 1 = 21/42 - Subtract the two like fractions:
1050/42 - 21/42 = 1050 - 21/42 = 1029/42 - After reducing the fraction, the answer is 49/2
- In mixed form: 241/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4-21/42 50/2-21/84 50/2-63/42 50/6-21/42 50/10-21/42 50/14-21/42