Subtract 35/25 from 6/21, Solve 6/21

Subtract 35/25 from 6/21

1^st number: 6/21, 2^nd number: 1 10/25

6/21 - 35/25 is -39/35.

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,
6/21 = 6 × 25/21 × 25 = 150/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
35/25 = 35 × 21/25 × 21 = 735/525
Subtract the two like fractions:
150/525 - 735/525 = 150 - 735/525 = -585/525
After reducing the fraction, the answer is -39/35

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