Subtract 3/64 from 7/81
7/81 - 3/64 is 205/5184.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 64 is 5184
Next, find the equivalent fraction of both fractional numbers with denominator 5184 - For the 1st fraction, since 81 × 64 = 5184,
7/81 = 7 × 64/81 × 64 = 448/5184 - Likewise, for the 2nd fraction, since 64 × 81 = 5184,
3/64 = 3 × 81/64 × 81 = 243/5184 - Subtract the two like fractions:
448/5184 - 243/5184 = 448 - 243/5184 = 205/5184
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