Subtract 1/14 from 1/90
1/90 - 1/14 is -19/315.
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,
1/90 = 1 × 7/90 × 7 = 7/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
1/14 = 1 × 45/14 × 45 = 45/630 - Subtract the two like fractions:
7/630 - 45/630 = 7 - 45/630 = -38/630 - After reducing the fraction, the answer is -19/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-1/14 1/90-2/14 1/90-1/28 3/90-1/14 1/90-3/14 1/90-1/42 5/90-1/14 1/90-5/14 1/90-1/70 7/90-1/14 1/90-7/14 1/90-1/98