Subtract 27/14 from 20/25
1st number: 20/25, 2nd number: 1 13/14
20/25 - 27/14 is -79/70.
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,
20/25 = 20 × 14/25 × 14 = 280/350 - Likewise, for the 2nd fraction, since 14 × 25 = 350,
27/14 = 27 × 25/14 × 25 = 675/350 - Subtract the two like fractions:
280/350 - 675/350 = 280 - 675/350 = -395/350 - After reducing the fraction, the answer is -79/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25-27/14 20/25-54/14 20/50-27/14 20/25-27/28 60/25-27/14 20/25-81/14 20/75-27/14 20/25-27/42 20/25-27/70 20/25-27/98