Subtract 56/25 from 3/21, Solve 3/21

Subtract 56/25 from 3/21

1^st number: 3/21, 2^nd number: 2 6/25

3/21 - 56/25 is -367/175.

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

Next, find the equivalent fraction of both fractional numbers with denominator 525
For the 1st fraction, since 21 × 25 = 525,
3/21 = 3 × 25/21 × 25 = 75/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
56/25 = 56 × 21/25 × 21 = 1176/525
Subtract the two like fractions:
75/525 - 1176/525 = 75 - 1176/525 = -1101/525
After reducing the fraction, the answer is -367/175

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