Subtract 10/40 from 25/7
1st number: 3 4/7, 2nd number: 10/40
25/7 - 10/40 is 93/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
25/7 = 25 × 40/7 × 40 = 1000/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280 - Subtract the two like fractions:
1000/280 - 70/280 = 1000 - 70/280 = 930/280 - After reducing the fraction, the answer is 93/28
- In mixed form: 39/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-10/40 25/7-20/40 25/14-10/40 25/7-10/80 75/7-10/40 25/7-30/40 25/21-10/40 25/7-50/40 25/35-10/40 25/7-70/40 25/49-10/40