Subtract 48/45 from 50/63
1st number: 50/63, 2nd number: 1 3/45
50/63 - 48/45 is -86/315.
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,
50/63 = 50 × 5/63 × 5 = 250/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
48/45 = 48 × 7/45 × 7 = 336/315 - Subtract the two like fractions:
250/315 - 336/315 = 250 - 336/315 = -86/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/63-96/45 50/63-48/90