Subtract 1/24 from 21/9, Solve 2 3/9

Subtract 1/24 from 21/9

1^st number: 2 3/9, 2^nd number: 1/24

21/9 - 1/24 is 55/24.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 24 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 9 × 8 = 72,
21/9 = 21 × 8/9 × 8 = 168/72
Likewise, for the 2nd fraction, since 24 × 3 = 72,
1/24 = 1 × 3/24 × 3 = 3/72
Subtract the two like fractions:
168/72 - 3/72 = 168 - 3/72 = 165/72
After reducing the fraction, the answer is 55/24
In mixed form: 27/24

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