Subtract 81/4 from 9/63
1st number: 9/63, 2nd number: 20 1/4
9/63 - 81/4 is -563/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 4 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
9/63 = 9 × 4/63 × 4 = 36/252 - Likewise, for the 2nd fraction, since 4 × 63 = 252,
81/4 = 81 × 63/4 × 63 = 5103/252 - Subtract the two like fractions:
36/252 - 5103/252 = 36 - 5103/252 = -5067/252 - After reducing the fraction, the answer is -563/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/63-81/4 9/63-81/8 27/63-81/4 9/63-81/12 45/63-81/4 9/63-81/20 9/63-81/28