Subtract 20/81 from 35/5
1st number: 7 0/5, 2nd number: 20/81
35/5 - 20/81 is 547/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 5 × 81 = 405,
35/5 = 35 × 81/5 × 81 = 2835/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
20/81 = 20 × 5/81 × 5 = 100/405 - Subtract the two like fractions:
2835/405 - 100/405 = 2835 - 100/405 = 2735/405 - After reducing the fraction, the answer is 547/81
- In mixed form: 661/81
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