Subtract 25/50 from 10/70
10/70 - 25/50 is -5/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 50 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 70 × 5 = 350,
10/70 = 10 × 5/70 × 5 = 50/350 - Likewise, for the 2nd fraction, since 50 × 7 = 350,
25/50 = 25 × 7/50 × 7 = 175/350 - Subtract the two like fractions:
50/350 - 175/350 = 50 - 175/350 = -125/350 - After reducing the fraction, the answer is -5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/70-25/50 30/70-25/50 10/70-75/50 50/70-25/50