Subtract 15/5 from 25/70
1st number: 25/70, 2nd number: 3 0/5
25/70 - 15/5 is -37/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 5 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 5 × 14 = 70,
15/5 = 15 × 14/5 × 14 = 210/70 - Subtract the two like fractions:
25/70 - 210/70 = 25 - 210/70 = -185/70 - After reducing the fraction, the answer is -37/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-15/5 25/70-30/5 25/70-15/10 75/70-15/5 25/70-45/5 25/70-75/5 25/70-15/25 25/70-15/35