Subtract 81/63 from 27/4
1st number: 6 3/4, 2nd number: 1 18/63
27/4 - 81/63 is 153/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 4 × 63 = 252,
27/4 = 27 × 63/4 × 63 = 1701/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
81/63 = 81 × 4/63 × 4 = 324/252 - Subtract the two like fractions:
1701/252 - 324/252 = 1701 - 324/252 = 1377/252 - After reducing the fraction, the answer is 153/28
- In mixed form: 513/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/4-81/63 27/8-81/63 81/4-81/63 27/12-81/63 27/20-81/63 27/28-81/63