Subtract 1/14 from 42/45
42/45 - 1/14 is 181/210.
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,
42/45 = 42 × 14/45 × 14 = 588/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
1/14 = 1 × 45/14 × 45 = 45/630 - Subtract the two like fractions:
588/630 - 45/630 = 588 - 45/630 = 543/630 - After reducing the fraction, the answer is 181/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45-1/14 42/45-2/14 42/90-1/14 42/45-1/28 42/45-3/14 42/45-1/42 42/45-5/14 42/45-1/70 42/45-7/14 42/45-1/98