Subtract 30/63 from 9/25, Solve 9/25

Subtract 30/63 from 9/25

9/25 - 30/63 is -61/525.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 63 is 1575

Next, find the equivalent fraction of both fractional numbers with denominator 1575
For the 1st fraction, since 25 × 63 = 1575,
9/25 = 9 × 63/25 × 63 = 567/1575
Likewise, for the 2nd fraction, since 63 × 25 = 1575,
30/63 = 30 × 25/63 × 25 = 750/1575
Subtract the two like fractions:
567/1575 - 750/1575 = 567 - 750/1575 = -183/1575
After reducing the fraction, the answer is -61/525

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