Subtract 14/63 from 28/30, Solve 28/30

Subtract 14/63 from 28/30

28/30 - 14/63 is 32/45.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 30 × 21 = 630,
28/30 = 28 × 21/30 × 21 = 588/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
14/63 = 14 × 10/63 × 10 = 140/630
Subtract the two like fractions:
588/630 - 140/630 = 588 - 140/630 = 448/630
After reducing the fraction, the answer is 32/45

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