Subtract 6/14 from 40/90
40/90 - 6/14 is 1/63.
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,
40/90 = 40 × 7/90 × 7 = 280/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
6/14 = 6 × 45/14 × 45 = 270/630 - Subtract the two like fractions:
280/630 - 270/630 = 280 - 270/630 = 10/630 - After reducing the fraction, the answer is 1/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90-6/14 40/90-12/14 40/90-6/28 40/90-18/14 40/90-6/42 40/90-30/14 40/90-6/70 40/90-42/14 40/90-6/98