Subtract 3/84 from 25/8, Solve 3 1/8

Subtract 3/84 from 25/8

1^st number: 3 1/8, 2^nd number: 3/84

25/8 - 3/84 is 173/56.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 84 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 8 × 21 = 168,
25/8 = 25 × 21/8 × 21 = 525/168
Likewise, for the 2nd fraction, since 84 × 2 = 168,
3/84 = 3 × 2/84 × 2 = 6/168
Subtract the two like fractions:
525/168 - 6/168 = 525 - 6/168 = 519/168
After reducing the fraction, the answer is 173/56
In mixed form: 35/56

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