Subtract 24/21 from 9/25, Solve 9/25

Subtract 24/21 from 9/25

1^st number: 9/25, 2^nd number: 1 3/21

9/25 - 24/21 is -137/175.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 21 is 525

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 25 × 21 = 525,
9/25 = 9 × 21/25 × 21 = 189/525
Likewise, for the 2nd fraction, since 21 × 25 = 525,
24/21 = 24 × 25/21 × 25 = 600/525
Subtract the two like fractions:
189/525 - 600/525 = 189 - 600/525 = -411/525
After reducing the fraction, the answer is -137/175

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