Subtract 40/90 from 40/14
1st number: 2 12/14, 2nd number: 40/90
40/14 - 40/90 is 152/63.
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,
40/14 = 40 × 45/14 × 45 = 1800/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
40/90 = 40 × 7/90 × 7 = 280/630 - Subtract the two like fractions:
1800/630 - 280/630 = 1800 - 280/630 = 1520/630 - After reducing the fraction, the answer is 152/63
- In mixed form: 226/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14-40/90 40/14-80/90 40/28-40/90 40/42-40/90 40/70-40/90 40/98-40/90