Subtract 4/7 from 14/90
14/90 - 4/7 is -131/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
14/90 = 14 × 7/90 × 7 = 98/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
4/7 = 4 × 90/7 × 90 = 360/630 - Subtract the two like fractions:
98/630 - 360/630 = 98 - 360/630 = -262/630 - After reducing the fraction, the answer is -131/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/90-4/7 14/90-8/7 14/90-4/14 42/90-4/7 14/90-12/7 14/90-4/21 70/90-4/7 14/90-20/7 14/90-4/35 98/90-4/7 14/90-28/7 14/90-4/49