Subtract 5/70 from 6/63
6/63 - 5/70 is 1/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
6/63 = 6 × 10/63 × 10 = 60/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
5/70 = 5 × 9/70 × 9 = 45/630 - Subtract the two like fractions:
60/630 - 45/630 = 60 - 45/630 = 15/630 - After reducing the fraction, the answer is 1/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/63-5/70 6/63-10/70 18/63-5/70 6/63-15/70 30/63-5/70 6/63-25/70 42/63-5/70 6/63-35/70