Subtract 70/81 from 6/45
6/45 - 70/81 is -296/405.
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,
6/45 = 6 × 9/45 × 9 = 54/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
70/81 = 70 × 5/81 × 5 = 350/405 - Subtract the two like fractions:
54/405 - 350/405 = 54 - 350/405 = -296/405
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