Subtract 90/50 from 1/9, Solve 1/9 - 1 40/50 as a fraction

Subtract 90/50 from 1/9

1^st number: 1/9, 2^nd number: 1 40/50

1/9 - 90/50 is -76/45.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 50 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 9 × 50 = 450,
1/9 = 1 × 50/9 × 50 = 50/450
Likewise, for the 2nd fraction, since 50 × 9 = 450,
90/50 = 90 × 9/50 × 9 = 810/450
Subtract the two like fractions:
50/450 - 810/450 = 50 - 810/450 = -760/450
After reducing the fraction, the answer is -76/45

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