Subtract 7/35 from 4/81
4/81 - 7/35 is -61/405.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 35 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 81 × 35 = 2835,
4/81 = 4 × 35/81 × 35 = 140/2835 - Likewise, for the 2nd fraction, since 35 × 81 = 2835,
7/35 = 7 × 81/35 × 81 = 567/2835 - Subtract the two like fractions:
140/2835 - 567/2835 = 140 - 567/2835 = -427/2835 - After reducing the fraction, the answer is -61/405
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