Subtract 15/90 from 6/14, Solve 6/14

Subtract 15/90 from 6/14

6/14 - 15/90 is 11/42.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 14 × 45 = 630,
6/14 = 6 × 45/14 × 45 = 270/630
Likewise, for the 2nd fraction, since 90 × 7 = 630,
15/90 = 15 × 7/90 × 7 = 105/630
Subtract the two like fractions:
270/630 - 105/630 = 270 - 105/630 = 165/630
After reducing the fraction, the answer is 11/42

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