Subtract 5/18 from 42/16, Solve 2 10/16

Subtract 5/18 from 42/16

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

42/16 - 5/18 is 169/72.

Find the least common denominator or LCM of the two denominators:
LCM of 16 and 18 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 16 × 9 = 144,
42/16 = 42 × 9/16 × 9 = 378/144
Likewise, for the 2nd fraction, since 18 × 8 = 144,
5/18 = 5 × 8/18 × 8 = 40/144
Subtract the two like fractions:
378/144 - 40/144 = 378 - 40/144 = 338/144
After reducing the fraction, the answer is 169/72
In mixed form: 225/72

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