Subtract 2/25 from 84/4, Solve 21 0/4

Subtract 2/25 from 84/4

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

84/4 - 2/25 is 523/25.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100

Next, find the equivalent fraction of both fractional numbers with denominator 100
For the 1st fraction, since 4 × 25 = 100,
84/4 = 84 × 25/4 × 25 = 2100/100
Likewise, for the 2nd fraction, since 25 × 4 = 100,
2/25 = 2 × 4/25 × 4 = 8/100
Subtract the two like fractions:
2100/100 - 8/100 = 2100 - 8/100 = 2092/100
After reducing the fraction, the answer is 523/25
In mixed form: 2023/25

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