Subtract 18/8 from 25/10
1st number: 2 5/10, 2nd number: 2 2/8
25/10 - 18/8 is 1/4.
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,
25/10 = 25 × 4/10 × 4 = 100/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
18/8 = 18 × 5/8 × 5 = 90/40 - Subtract the two like fractions:
100/40 - 90/40 = 100 - 90/40 = 10/40 - After reducing the fraction, the answer is 1/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10-18/8 25/10-36/8 25/20-18/8 25/10-18/16 75/10-18/8 25/10-54/8 25/30-18/8 25/10-18/24 25/10-90/8 25/50-18/8 25/10-18/40 25/70-18/8 25/10-18/56