Subtract 5/90 from 20/16, Solve 1 4/16

Subtract 5/90 from 20/16

1^st number: 1 4/16, 2^nd number: 5/90

20/16 - 5/90 is 43/36.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 16 × 45 = 720,
20/16 = 20 × 45/16 × 45 = 900/720
Likewise, for the 2nd fraction, since 90 × 8 = 720,
5/90 = 5 × 8/90 × 8 = 40/720
Subtract the two like fractions:
900/720 - 40/720 = 900 - 40/720 = 860/720
After reducing the fraction, the answer is 43/36
In mixed form: 17/36

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