Subtract 9/45 from 63/3, Solve 21 0/3

Subtract 9/45 from 63/3

1^st number: 21 0/3, 2^nd number: 9/45

63/3 - 9/45 is 104/5.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45

Next, find the equivalent fraction of both fractional numbers with denominator 45
For the 1st fraction, since 3 × 15 = 45,
63/3 = 63 × 15/3 × 15 = 945/45
Likewise, for the 2nd fraction, since 45 × 1 = 45,
9/45 = 9 × 1/45 × 1 = 9/45
Subtract the two like fractions:
945/45 - 9/45 = 945 - 9/45 = 936/45
After reducing the fraction, the answer is 104/5
In mixed form: 204/5

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