Subtract 3/45 from 90/14
1st number: 6 6/14, 2nd number: 3/45
90/14 - 3/45 is 668/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
90/14 = 90 × 45/14 × 45 = 4050/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630 - Subtract the two like fractions:
4050/630 - 42/630 = 4050 - 42/630 = 4008/630 - After reducing the fraction, the answer is 668/105
- In mixed form: 638/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-6/45 90/28-3/45 90/14-3/90 90/14-9/45 90/42-3/45 90/14-15/45 90/70-3/45 90/14-21/45 90/98-3/45