Subtract 25/8 from 40/10
1st number: 4 0/10, 2nd number: 3 1/8
40/10 - 25/8 is 7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
40/10 = 40 × 4/10 × 4 = 160/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
25/8 = 25 × 5/8 × 5 = 125/40 - Subtract the two like fractions:
160/40 - 125/40 = 160 - 125/40 = 35/40 - After reducing the fraction, the answer is 7/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/10-25/8 40/10-50/8 40/20-25/8 40/10-25/16 40/10-75/8 40/30-25/8 40/10-25/24 40/50-25/8 40/10-25/40 40/70-25/8 40/10-25/56