Subtract 90/48 from 1/9, Solve 1/9 - 1 42/48 as a fraction

Subtract 90/48 from 1/9

1^st number: 1/9, 2^nd number: 1 42/48

1/9 - 90/48 is -127/72.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 48 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 48 × 3 = 144,
90/48 = 90 × 3/48 × 3 = 270/144
Subtract the two like fractions:
16/144 - 270/144 = 16 - 270/144 = -254/144
After reducing the fraction, the answer is -127/72

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