Subtract 45/72 from 20/2, Solve 10 0/2

Subtract 45/72 from 20/2

1^st number: 10 0/2, 2^nd number: 45/72

20/2 - 45/72 is 75/8.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 2 × 36 = 72,
20/2 = 20 × 36/2 × 36 = 720/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72
Subtract the two like fractions:
720/72 - 45/72 = 720 - 45/72 = 675/72
After reducing the fraction, the answer is 75/8
In mixed form: 93/8

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