Subtract 40/81 from 35/20
1st number: 1 15/20, 2nd number: 40/81
35/20 - 40/81 is 407/324.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 20 × 81 = 1620,
35/20 = 35 × 81/20 × 81 = 2835/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
40/81 = 40 × 20/81 × 20 = 800/1620 - Subtract the two like fractions:
2835/1620 - 800/1620 = 2835 - 800/1620 = 2035/1620 - After reducing the fraction, the answer is 407/324
- In mixed form: 183/324
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