Subtract 20/21 from 75/36
1st number: 2 3/36, 2nd number: 20/21
75/36 - 20/21 is 95/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
75/36 = 75 × 7/36 × 7 = 525/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
20/21 = 20 × 12/21 × 12 = 240/252 - Subtract the two like fractions:
525/252 - 240/252 = 525 - 240/252 = 285/252 - After reducing the fraction, the answer is 95/84
- In mixed form: 111/84
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