Subtract 4/45 from 90/14
1st number: 6 6/14, 2nd number: 4/45
90/14 - 4/45 is 1997/315.
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,
4/45 = 4 × 14/45 × 14 = 56/630 - Subtract the two like fractions:
4050/630 - 56/630 = 4050 - 56/630 = 3994/630 - After reducing the fraction, the answer is 1997/315
- In mixed form: 6107/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-8/45 90/28-4/45 90/14-4/90 90/14-12/45 90/42-4/45 90/14-20/45 90/70-4/45 90/14-28/45 90/98-4/45