Subtract 25/10 from 40/8
1st number: 5 0/8, 2nd number: 2 5/10
40/8 - 25/10 is 5/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
40/8 = 40 × 5/8 × 5 = 200/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
25/10 = 25 × 4/10 × 4 = 100/40 - Subtract the two like fractions:
200/40 - 100/40 = 200 - 100/40 = 100/40 - After reducing the fraction, the answer is 5/2
- In mixed form: 21/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8-25/10 40/8-50/10 40/16-25/10 40/8-25/20 40/8-75/10 40/24-25/10 40/8-25/30 40/8-25/50 40/56-25/10 40/8-25/70