Subtract 28/40 from 25/10
1st number: 2 5/10, 2nd number: 28/40
25/10 - 28/40 is 9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 40 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 40 × 1 = 40,
28/40 = 28 × 1/40 × 1 = 28/40 - Subtract the two like fractions:
100/40 - 28/40 = 100 - 28/40 = 72/40 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10-28/40 25/10-56/40 25/20-28/40 25/10-28/80 75/10-28/40 25/10-84/40 25/30-28/40 25/50-28/40 25/70-28/40