Subtract 25/42 from 3/2
1st number: 1 1/2, 2nd number: 25/42
3/2 - 25/42 is 19/21.
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,
3/2 = 3 × 21/2 × 21 = 63/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
25/42 = 25 × 1/42 × 1 = 25/42 - Subtract the two like fractions:
63/42 - 25/42 = 63 - 25/42 = 38/42 - After reducing the fraction, the answer is 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/2-25/42 3/2-50/42 3/4-25/42 3/2-25/84 9/2-25/42 3/2-75/42 3/6-25/42 15/2-25/42 3/10-25/42 21/2-25/42 3/14-25/42