Subtract 18/70 from 3/14
3/14 - 18/70 is -3/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
3/14 = 3 × 5/14 × 5 = 15/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
18/70 = 18 × 1/70 × 1 = 18/70 - Subtract the two like fractions:
15/70 - 18/70 = 15 - 18/70 = -3/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14-18/70 3/14-36/70 3/28-18/70 9/14-18/70 3/14-54/70 3/42-18/70 15/14-18/70 3/14-90/70 3/70-18/70 21/14-18/70 3/98-18/70