Subtract 8/45 from 20/16, Solve 1 4/16

Subtract 8/45 from 20/16

1^st number: 1 4/16, 2^nd number: 8/45

20/16 - 8/45 is 193/180.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 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 45 × 16 = 720,
8/45 = 8 × 16/45 × 16 = 128/720
Subtract the two like fractions:
900/720 - 128/720 = 900 - 128/720 = 772/720
After reducing the fraction, the answer is 193/180
In mixed form: 113/180

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