Subtract 25/12 from 28/8, Solve 3 4/8

Subtract 25/12 from 28/8

1^st number: 3 4/8, 2^nd number: 2 1/12

28/8 - 25/12 is 17/12.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 8 × 3 = 24,
28/8 = 28 × 3/8 × 3 = 84/24
Likewise, for the 2nd fraction, since 12 × 2 = 24,
25/12 = 25 × 2/12 × 2 = 50/24
Subtract the two like fractions:
84/24 - 50/24 = 84 - 50/24 = 34/24
After reducing the fraction, the answer is 17/12
In mixed form: 15/12

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