Subtract 8/45 from 63/81
63/81 - 8/45 is 3/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 45 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
63/81 = 63 × 5/81 × 5 = 315/405 - Likewise, for the 2nd fraction, since 45 × 9 = 405,
8/45 = 8 × 9/45 × 9 = 72/405 - Subtract the two like fractions:
315/405 - 72/405 = 315 - 72/405 = 243/405 - After reducing the fraction, the answer is 3/5
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