Subtract 12/45 from 30/14
1st number: 2 2/14, 2nd number: 12/45
30/14 - 12/45 is 197/105.
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,
30/14 = 30 × 45/14 × 45 = 1350/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
12/45 = 12 × 14/45 × 14 = 168/630 - Subtract the two like fractions:
1350/630 - 168/630 = 1350 - 168/630 = 1182/630 - After reducing the fraction, the answer is 197/105
- In mixed form: 192/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/14-12/45 30/14-24/45 30/28-12/45 30/14-12/90 90/14-12/45 30/14-36/45 30/42-12/45 30/14-60/45 30/70-12/45 30/14-84/45 30/98-12/45