Subtract 27/4 from 25/40
1st number: 25/40, 2nd number: 6 3/4
25/40 - 27/4 is -49/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 4 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
25/40 = 25 × 1/40 × 1 = 25/40 - Likewise, for the 2nd fraction, since 4 × 10 = 40,
27/4 = 27 × 10/4 × 10 = 270/40 - Subtract the two like fractions:
25/40 - 270/40 = 25 - 270/40 = -245/40 - After reducing the fraction, the answer is -49/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40-27/4 25/40-54/4 25/80-27/4 25/40-27/8 75/40-27/4 25/40-81/4 25/40-27/12 25/40-27/20 25/40-27/28