Subtract 10/81 from 1/63
1/63 - 10/81 is -61/567.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
1/63 = 1 × 9/63 × 9 = 9/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
10/81 = 10 × 7/81 × 7 = 70/567 - Subtract the two like fractions:
9/567 - 70/567 = 9 - 70/567 = -61/567
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/63-10/81 1/63-20/81 3/63-10/81 1/63-30/81 5/63-10/81 1/63-50/81 7/63-10/81 1/63-70/81