Subtract 4/25 from 21/9, Solve 2 3/9

Subtract 4/25 from 21/9

1^st number: 2 3/9, 2^nd number: 4/25

21/9 - 4/25 is 163/75.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225

Next, find the equivalent fraction of both fractional numbers with denominator 225
For the 1st fraction, since 9 × 25 = 225,
21/9 = 21 × 25/9 × 25 = 525/225
Likewise, for the 2nd fraction, since 25 × 9 = 225,
4/25 = 4 × 9/25 × 9 = 36/225
Subtract the two like fractions:
525/225 - 36/225 = 525 - 36/225 = 489/225
After reducing the fraction, the answer is 163/75
In mixed form: 213/75

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