Subtract 45/25 from 63/12, Solve 5 3/12

Subtract 45/25 from 63/12

1^st number: 5 3/12, 2^nd number: 1 20/25

63/12 - 45/25 is 69/20.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 12 × 25 = 300,
63/12 = 63 × 25/12 × 25 = 1575/300
Likewise, for the 2nd fraction, since 25 × 12 = 300,
45/25 = 45 × 12/25 × 12 = 540/300
Subtract the two like fractions:
1575/300 - 540/300 = 1575 - 540/300 = 1035/300
After reducing the fraction, the answer is 69/20
In mixed form: 39/20

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