Subtract 15/42 from 42/16, Solve 2 10/16

Subtract 15/42 from 42/16

1^st number: 2 10/16, 2^nd number: 15/42

42/16 - 15/42 is 127/56.

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,
42/16 = 42 × 21/16 × 21 = 882/336
Likewise, for the 2nd fraction, since 42 × 8 = 336,
15/42 = 15 × 8/42 × 8 = 120/336
Subtract the two like fractions:
882/336 - 120/336 = 882 - 120/336 = 762/336
After reducing the fraction, the answer is 127/56
In mixed form: 215/56

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