Subtract 75/63 from 2/70
1st number: 2/70, 2nd number: 1 12/63
2/70 - 75/63 is -122/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
2/70 = 2 × 9/70 × 9 = 18/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
75/63 = 75 × 10/63 × 10 = 750/630 - Subtract the two like fractions:
18/630 - 750/630 = 18 - 750/630 = -732/630 - After reducing the fraction, the answer is -122/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70-75/63 6/70-75/63 10/70-75/63 14/70-75/63