Subtract 60/42 from 90/16, Solve 5 10/16

Subtract 60/42 from 90/16

1^st number: 5 10/16, 2^nd number: 1 18/42

90/16 - 60/42 is 235/56.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336

Next, find the equivalent fraction of both fractional numbers with denominator 336
For the 1st fraction, since 16 × 21 = 336,
90/16 = 90 × 21/16 × 21 = 1890/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
60/42 = 60 × 8/42 × 8 = 480/336
Subtract the two like fractions:
1890/336 - 480/336 = 1890 - 480/336 = 1410/336
After reducing the fraction, the answer is 235/56
In mixed form: 411/56

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