Subtract 90/81 from 9/35
1st number: 9/35, 2nd number: 1 9/81
9/35 - 90/81 is -269/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 81 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 35 × 81 = 2835,
9/35 = 9 × 81/35 × 81 = 729/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
90/81 = 90 × 35/81 × 35 = 3150/2835 - Subtract the two like fractions:
729/2835 - 3150/2835 = 729 - 3150/2835 = -2421/2835 - After reducing the fraction, the answer is -269/315
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