Subtract 1/72 from 90/16, Solve 5 10/16

Subtract 1/72 from 90/16

1^st number: 5 10/16, 2^nd number: 1/72

90/16 - 1/72 is 101/18.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 16 × 9 = 144,
90/16 = 90 × 9/16 × 9 = 810/144
Likewise, for the 2nd fraction, since 72 × 2 = 144,
1/72 = 1 × 2/72 × 2 = 2/144
Subtract the two like fractions:
810/144 - 2/144 = 810 - 2/144 = 808/144
After reducing the fraction, the answer is 101/18
In mixed form: 511/18

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