Subtract 84/7 from 14/90
1st number: 14/90, 2nd number: 12 0/7
14/90 - 84/7 is -533/45.
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,
84/7 = 84 × 90/7 × 90 = 7560/630 - Subtract the two like fractions:
98/630 - 7560/630 = 98 - 7560/630 = -7462/630 - After reducing the fraction, the answer is -533/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/90-84/7 14/90-84/14 42/90-84/7 14/90-84/21 70/90-84/7 14/90-84/35 98/90-84/7 14/90-84/49