Subtract 30/63 from 81/36
1st number: 2 9/36, 2nd number: 30/63
81/36 - 30/63 is 149/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
81/36 = 81 × 7/36 × 7 = 567/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
30/63 = 30 × 4/63 × 4 = 120/252 - Subtract the two like fractions:
567/252 - 120/252 = 567 - 120/252 = 447/252 - After reducing the fraction, the answer is 149/84
- In mixed form: 165/84
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