Subtract 28/7 from 12/75, Solve 12/75

Subtract 28/7 from 12/75

1^st number: 12/75, 2^nd number: 4 0/7

12/75 - 28/7 is -96/25.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 75 × 7 = 525,
12/75 = 12 × 7/75 × 7 = 84/525
Likewise, for the 2nd fraction, since 7 × 75 = 525,
28/7 = 28 × 75/7 × 75 = 2100/525
Subtract the two like fractions:
84/525 - 2100/525 = 84 - 2100/525 = -2016/525
After reducing the fraction, the answer is -96/25

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