Subtract 9/14 from 21/25
21/25 - 9/14 is 69/350.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 14 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 25 × 14 = 350,
21/25 = 21 × 14/25 × 14 = 294/350 - Likewise, for the 2nd fraction, since 14 × 25 = 350,
9/14 = 9 × 25/14 × 25 = 225/350 - Subtract the two like fractions:
294/350 - 225/350 = 294 - 225/350 = 69/350
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/25-9/14 21/25-18/14 21/50-9/14 21/25-9/28 63/25-9/14 21/25-27/14 21/75-9/14 21/25-9/42 21/25-45/14 21/25-9/70 21/25-63/14 21/25-9/98