Subtract 8/42 from 81/25, Solve 3 6/25

Subtract 8/42 from 81/25

1^st number: 3 6/25, 2^nd number: 8/42

81/25 - 8/42 is 1601/525.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 42 is 1050

Next, find the equivalent fraction of both fractional numbers with denominator 1050
For the 1st fraction, since 25 × 42 = 1050,
81/25 = 81 × 42/25 × 42 = 3402/1050
Likewise, for the 2nd fraction, since 42 × 25 = 1050,
8/42 = 8 × 25/42 × 25 = 200/1050
Subtract the two like fractions:
3402/1050 - 200/1050 = 3402 - 200/1050 = 3202/1050
After reducing the fraction, the answer is 1601/525
In mixed form: 326/525

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