Subtract 42/14 from 9/45
1st number: 9/45, 2nd number: 3 0/14
9/45 - 42/14 is -14/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
9/45 = 9 × 14/45 × 14 = 126/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
42/14 = 42 × 45/14 × 45 = 1890/630 - Subtract the two like fractions:
126/630 - 1890/630 = 126 - 1890/630 = -1764/630 - After reducing the fraction, the answer is -14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45-42/14 9/45-84/14 9/90-42/14 9/45-42/28 27/45-42/14 9/45-42/70 63/45-42/14 9/45-42/98