Subtract 40/90 from 84/14
1st number: 6 0/14, 2nd number: 40/90
84/14 - 40/90 is 50/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
84/14 = 84 × 45/14 × 45 = 3780/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
40/90 = 40 × 7/90 × 7 = 280/630 - Subtract the two like fractions:
3780/630 - 280/630 = 3780 - 280/630 = 3500/630 - After reducing the fraction, the answer is 50/9
- In mixed form: 55/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/14-80/90 84/28-40/90 84/42-40/90 84/70-40/90 84/98-40/90