Subtract 90/16 from 1/9, Solve 1/9 - 5 10/16 as a fraction

Subtract 90/16 from 1/9

1^st number: 1/9, 2^nd number: 5 10/16

1/9 - 90/16 is -397/72.

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,
1/9 = 1 × 16/9 × 16 = 16/144
Likewise, for the 2nd fraction, since 16 × 9 = 144,
90/16 = 90 × 9/16 × 9 = 810/144
Subtract the two like fractions:
16/144 - 810/144 = 16 - 810/144 = -794/144
After reducing the fraction, the answer is -397/72

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