Subtract 28/5 from 25/70
1st number: 25/70, 2nd number: 5 3/5
25/70 - 28/5 is -367/70.
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,
28/5 = 28 × 14/5 × 14 = 392/70 - Subtract the two like fractions:
25/70 - 392/70 = 25 - 392/70 = -367/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/70-28/5 25/70-56/5 25/70-28/10 75/70-28/5 25/70-84/5 25/70-28/15 25/70-28/25 25/70-28/35