Subtract 49/16 from 42/18, Solve 2 6/18

Subtract 49/16 from 42/18

1^st number: 2 6/18, 2^nd number: 3 1/16

42/18 - 49/16 is -35/48.

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

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 18 × 8 = 144,
42/18 = 42 × 8/18 × 8 = 336/144
Likewise, for the 2nd fraction, since 16 × 9 = 144,
49/16 = 49 × 9/16 × 9 = 441/144
Subtract the two like fractions:
336/144 - 441/144 = 336 - 441/144 = -105/144
After reducing the fraction, the answer is -35/48

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