Subtract 6/45 from 27/63
27/63 - 6/45 is 31/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
27/63 = 27 × 5/63 × 5 = 135/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
6/45 = 6 × 7/45 × 7 = 42/315 - Subtract the two like fractions:
135/315 - 42/315 = 135 - 42/315 = 93/315 - After reducing the fraction, the answer is 31/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63-6/45 27/63-12/45 27/63-6/90 81/63-6/45 27/63-18/45 27/63-30/45 27/63-42/45