Subtract 45/7 from 25/70
1st number: 25/70, 2nd number: 6 3/7
25/70 - 45/7 is -85/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
25/70 = 25 × 1/70 × 1 = 25/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
45/7 = 45 × 10/7 × 10 = 450/70 - Subtract the two like fractions:
25/70 - 450/70 = 25 - 450/70 = -425/70 - After reducing the fraction, the answer is -85/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-45/7 25/70-90/7 25/70-45/14 75/70-45/7 25/70-45/21 25/70-45/35 25/70-45/49