Subtract 6/25 from 30/21, Solve 1 9/21

Subtract 6/25 from 30/21

1^st number: 1 9/21, 2^nd number: 6/25

30/21 - 6/25 is 208/175.

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,
30/21 = 30 × 25/21 × 25 = 750/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
6/25 = 6 × 21/25 × 21 = 126/525
Subtract the two like fractions:
750/525 - 126/525 = 750 - 126/525 = 624/525
After reducing the fraction, the answer is 208/175
In mixed form: 133/175

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