Subtract 16/45 from 27/63
27/63 - 16/45 is 23/315.
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,
16/45 = 16 × 7/45 × 7 = 112/315 - Subtract the two like fractions:
135/315 - 112/315 = 135 - 112/315 = 23/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63-16/45 27/63-32/45 27/63-16/90 81/63-16/45 27/63-48/45 27/63-80/45