Subtract 4/14 from 3/90
3/90 - 4/14 is -53/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
3/90 = 3 × 7/90 × 7 = 21/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
4/14 = 4 × 45/14 × 45 = 180/630 - Subtract the two like fractions:
21/630 - 180/630 = 21 - 180/630 = -159/630 - After reducing the fraction, the answer is -53/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90-4/14 3/90-8/14 3/90-4/28 9/90-4/14 3/90-12/14 3/90-4/42 15/90-4/14 3/90-20/14 3/90-4/70 21/90-4/14 3/90-28/14 3/90-4/98