Subtract 3/45 from 81/75
1st number: 1 6/75, 2nd number: 3/45
81/75 - 3/45 is 76/75.
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,
81/75 = 81 × 3/75 × 3 = 243/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
3/45 = 3 × 5/45 × 5 = 15/225 - Subtract the two like fractions:
243/225 - 15/225 = 243 - 15/225 = 228/225 - After reducing the fraction, the answer is 76/75
- In mixed form: 11/75
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