Subtract 75/14 from 10/90
1st number: 10/90, 2nd number: 5 5/14
10/90 - 75/14 is -661/126.
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,
10/90 = 10 × 7/90 × 7 = 70/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
75/14 = 75 × 45/14 × 45 = 3375/630 - Subtract the two like fractions:
70/630 - 3375/630 = 70 - 3375/630 = -3305/630 - After reducing the fraction, the answer is -661/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90-75/14 10/90-75/28 30/90-75/14 10/90-75/42 50/90-75/14 10/90-75/70 70/90-75/14 10/90-75/98