Subtract 9/14 from 30/45
30/45 - 9/14 is 1/42.
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,
30/45 = 30 × 14/45 × 14 = 420/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
9/14 = 9 × 45/14 × 45 = 405/630 - Subtract the two like fractions:
420/630 - 405/630 = 420 - 405/630 = 15/630 - After reducing the fraction, the answer is 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45-9/14 30/45-18/14 30/90-9/14 30/45-9/28 90/45-9/14 30/45-27/14 30/45-9/42 30/45-45/14 30/45-9/70 30/45-63/14 30/45-9/98