Subtract 3/45 from 18/14
1st number: 1 4/14, 2nd number: 3/45
18/14 - 3/45 is 128/105.
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,
18/14 = 18 × 45/14 × 45 = 810/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
3/45 = 3 × 14/45 × 14 = 42/630 - Subtract the two like fractions:
810/630 - 42/630 = 810 - 42/630 = 768/630 - After reducing the fraction, the answer is 128/105
- In mixed form: 123/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14-3/45 18/14-6/45 18/28-3/45 18/14-3/90 54/14-3/45 18/14-9/45 18/42-3/45 90/14-3/45 18/14-15/45 18/70-3/45 18/14-21/45 18/98-3/45