Subtract 18/16 from 20/9, Solve 2 2/9

Subtract 18/16 from 20/9

1^st number: 2 2/9, 2^nd number: 1 2/16

20/9 - 18/16 is 79/72.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 9 × 16 = 144,
20/9 = 20 × 16/9 × 16 = 320/144
Likewise, for the 2nd fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144
Subtract the two like fractions:
320/144 - 162/144 = 320 - 162/144 = 158/144
After reducing the fraction, the answer is 79/72
In mixed form: 17/72

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