Subtract 90/84 from 54/16, Solve 3 6/16

Subtract 90/84 from 54/16

1^st number: 3 6/16, 2^nd number: 1 6/84

54/16 - 90/84 is 129/56.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 84 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
54/16 = 54 × 21/16 × 21 = 1134/336
Likewise, for the 2nd fraction, since 84 × 4 = 336,
90/84 = 90 × 4/84 × 4 = 360/336
Subtract the two like fractions:
1134/336 - 360/336 = 1134 - 360/336 = 774/336
After reducing the fraction, the answer is 129/56
In mixed form: 217/56

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