Subtract 15/80 from 16/4, Solve 4 0/4

Subtract 15/80 from 16/4

1^st number: 4 0/4, 2^nd number: 15/80

16/4 - 15/80 is 61/16.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 4 × 20 = 80,
16/4 = 16 × 20/4 × 20 = 320/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80
Subtract the two like fractions:
320/80 - 15/80 = 320 - 15/80 = 305/80
After reducing the fraction, the answer is 61/16
In mixed form: 313/16

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