Subtract 8/45 from 49/63
49/63 - 8/45 is 3/5.
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,
49/63 = 49 × 5/63 × 5 = 245/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
8/45 = 8 × 7/45 × 7 = 56/315 - Subtract the two like fractions:
245/315 - 56/315 = 245 - 56/315 = 189/315 - After reducing the fraction, the answer is 3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/63-8/45 49/63-16/45 49/63-8/90 49/63-24/45 49/63-40/45 49/63-56/45