Subtract 21/25 from 42/14
1st number: 3 0/14, 2nd number: 21/25
42/14 - 21/25 is 54/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 14 × 25 = 350,
42/14 = 42 × 25/14 × 25 = 1050/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
21/25 = 21 × 14/25 × 14 = 294/350 - Subtract the two like fractions:
1050/350 - 294/350 = 1050 - 294/350 = 756/350 - After reducing the fraction, the answer is 54/25
- In mixed form: 24/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-21/25 42/14-42/25 42/28-21/25 42/14-21/50 42/14-63/25 42/14-21/75 42/70-21/25 42/98-21/25