Subtract 20/72 from 15/6, Solve 2 3/6

Subtract 20/72 from 15/6

1^st number: 2 3/6, 2^nd number: 20/72

15/6 - 20/72 is 20/9.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 6 × 12 = 72,
15/6 = 15 × 12/6 × 12 = 180/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72
Subtract the two like fractions:
180/72 - 20/72 = 180 - 20/72 = 160/72
After reducing the fraction, the answer is 20/9
In mixed form: 22/9

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