Subtract 5/24 from 21/7, Solve 3 0/7

Subtract 5/24 from 21/7

1^st number: 3 0/7, 2^nd number: 5/24

21/7 - 5/24 is 67/24.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 7 × 24 = 168,
21/7 = 21 × 24/7 × 24 = 504/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
5/24 = 5 × 7/24 × 7 = 35/168
Subtract the two like fractions:
504/168 - 35/168 = 504 - 35/168 = 469/168
After reducing the fraction, the answer is 67/24
In mixed form: 219/24

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