Subtract 56/21 from 9/25, Solve 9/25

Subtract 56/21 from 9/25

1^st number: 9/25, 2^nd number: 2 14/21

9/25 - 56/21 is -173/75.

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,
56/21 = 56 × 25/21 × 25 = 1400/525
Subtract the two like fractions:
189/525 - 1400/525 = 189 - 1400/525 = -1211/525
After reducing the fraction, the answer is -173/75

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