Subtract 15/75 from 6/28, Solve 6/28

Subtract 15/75 from 6/28

6/28 - 15/75 is 1/70.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100

Next, find the equivalent fraction of both fractional numbers with denominator 2100
For the 1st fraction, since 28 × 75 = 2100,
6/28 = 6 × 75/28 × 75 = 450/2100
Likewise, for the 2nd fraction, since 75 × 28 = 2100,
15/75 = 15 × 28/75 × 28 = 420/2100
Subtract the two like fractions:
450/2100 - 420/2100 = 450 - 420/2100 = 30/2100
After reducing the fraction, the answer is 1/70

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