Subtract 15/81 from 49/45
1st number: 1 4/45, 2nd number: 15/81
49/45 - 15/81 is 122/135.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
49/45 = 49 × 9/45 × 9 = 441/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
15/81 = 15 × 5/81 × 5 = 75/405 - Subtract the two like fractions:
441/405 - 75/405 = 441 - 75/405 = 366/405 - After reducing the fraction, the answer is 122/135
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