Subtract 16/63 from 36/45
36/45 - 16/63 is 172/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
36/45 = 36 × 7/45 × 7 = 252/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
16/63 = 16 × 5/63 × 5 = 80/315 - Subtract the two like fractions:
252/315 - 80/315 = 252 - 80/315 = 172/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/45-16/63 36/45-32/63 36/90-16/63 36/45-48/63 36/45-80/63