Subtract 28/40 from 84/16, Solve 5 4/16

Subtract 28/40 from 84/16

1^st number: 5 4/16, 2^nd number: 28/40

84/16 - 28/40 is 91/20.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 16 × 5 = 80,
84/16 = 84 × 5/16 × 5 = 420/80
Likewise, for the 2nd fraction, since 40 × 2 = 80,
28/40 = 28 × 2/40 × 2 = 56/80
Subtract the two like fractions:
420/80 - 56/80 = 420 - 56/80 = 364/80
After reducing the fraction, the answer is 91/20
In mixed form: 411/20

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