Subtract 2/81 from 42/32
1st number: 1 10/32, 2nd number: 2/81
42/32 - 2/81 is 1669/1296.
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,
42/32 = 42 × 81/32 × 81 = 3402/2592 - Likewise, for the 2nd fraction, since 81 × 32 = 2592,
2/81 = 2 × 32/81 × 32 = 64/2592 - Subtract the two like fractions:
3402/2592 - 64/2592 = 3402 - 64/2592 = 3338/2592 - After reducing the fraction, the answer is 1669/1296
- In mixed form: 1373/1296
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