Subtract 4/25 from 84/21, Solve 4 0/21

Subtract 4/25 from 84/21

1^st number: 4 0/21, 2^nd number: 4/25

84/21 - 4/25 is 96/25.

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,
84/21 = 84 × 25/21 × 25 = 2100/525
Likewise, for the 2nd fraction, since 25 × 21 = 525,
4/25 = 4 × 21/25 × 21 = 84/525
Subtract the two like fractions:
2100/525 - 84/525 = 2100 - 84/525 = 2016/525
After reducing the fraction, the answer is 96/25
In mixed form: 321/25

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