Subtract 40/4 from 25/10
1st number: 2 5/10, 2nd number: 10 0/4
25/10 - 40/4 is -15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
25/10 = 25 × 2/10 × 2 = 50/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
40/4 = 40 × 5/4 × 5 = 200/20 - Subtract the two like fractions:
50/20 - 200/20 = 50 - 200/20 = -150/20 - After reducing the fraction, the answer is -15/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10-40/4 25/10-80/4 25/20-40/4 25/10-40/8 75/10-40/4 25/30-40/4 25/10-40/12 25/50-40/4 25/10-40/20 25/70-40/4 25/10-40/28