Subtract 27/63 from 70/7
1st number: 10 0/7, 2nd number: 27/63
70/7 - 27/63 is 67/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
70/7 = 70 × 9/7 × 9 = 630/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
27/63 = 27 × 1/63 × 1 = 27/63 - Subtract the two like fractions:
630/63 - 27/63 = 630 - 27/63 = 603/63 - After reducing the fraction, the answer is 67/7
- In mixed form: 94/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7-54/63 70/14-27/63 70/7-81/63 70/21-27/63 70/35-27/63 70/49-27/63