Subtract 25/35 from 3/70
3/70 - 25/35 is -47/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
3/70 = 3 × 1/70 × 1 = 3/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
25/35 = 25 × 2/35 × 2 = 50/70 - Subtract the two like fractions:
3/70 - 50/70 = 3 - 50/70 = -47/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/70-25/35 3/70-50/35 3/70-25/70 9/70-25/35 3/70-75/35 15/70-25/35 21/70-25/35