Subtract 70/63 from 6/45
1st number: 6/45, 2nd number: 1 7/63
6/45 - 70/63 is -44/45.
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,
6/45 = 6 × 7/45 × 7 = 42/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Subtract the two like fractions:
42/315 - 350/315 = 42 - 350/315 = -308/315 - After reducing the fraction, the answer is -44/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45-70/63 6/90-70/63 18/45-70/63 30/45-70/63 42/45-70/63