Subtract 18/42 from 25/14
1st number: 1 11/14, 2nd number: 18/42
25/14 - 18/42 is 19/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
25/14 = 25 × 3/14 × 3 = 75/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Subtract the two like fractions:
75/42 - 18/42 = 75 - 18/42 = 57/42 - After reducing the fraction, the answer is 19/14
- In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/14-18/42 25/14-36/42 25/28-18/42 25/14-18/84 75/14-18/42 25/14-54/42 25/42-18/42 25/14-90/42 25/70-18/42 25/98-18/42