Subtract 42/81 from 84/32
1st number: 2 20/32, 2nd number: 42/81
84/32 - 42/81 is 455/216.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 81 is 2592
Next, find the equivalent fraction of both fractional numbers with denominator 2592 - For the 1st fraction, since 32 × 81 = 2592,
84/32 = 84 × 81/32 × 81 = 6804/2592 - Likewise, for the 2nd fraction, since 81 × 32 = 2592,
42/81 = 42 × 32/81 × 32 = 1344/2592 - Subtract the two like fractions:
6804/2592 - 1344/2592 = 6804 - 1344/2592 = 5460/2592 - After reducing the fraction, the answer is 455/216
- In mixed form: 223/216
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