Subtract 75/42 from 25/2
1st number: 12 1/2, 2nd number: 1 33/42
25/2 - 75/42 is 75/7.
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,
25/2 = 25 × 21/2 × 21 = 525/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
75/42 = 75 × 1/42 × 1 = 75/42 - Subtract the two like fractions:
525/42 - 75/42 = 525 - 75/42 = 450/42 - After reducing the fraction, the answer is 75/7
- In mixed form: 105/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-75/42 25/4-75/42 25/2-75/84 75/2-75/42 25/6-75/42 25/10-75/42 25/14-75/42