Subtract 81/45 from 84/75
1st number: 1 9/75, 2nd number: 1 36/45
84/75 - 81/45 is -17/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
84/75 = 84 × 3/75 × 3 = 252/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
81/45 = 81 × 5/45 × 5 = 405/225 - Subtract the two like fractions:
252/225 - 405/225 = 252 - 405/225 = -153/225 - After reducing the fraction, the answer is -17/25
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