Subtract 63/16 from 42/9, Solve 4 6/9

Subtract 63/16 from 42/9

1^st number: 4 6/9, 2^nd number: 3 15/16

42/9 - 63/16 is 35/48.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 16 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 9 × 16 = 144,
42/9 = 42 × 16/9 × 16 = 672/144
Likewise, for the 2nd fraction, since 16 × 9 = 144,
63/16 = 63 × 9/16 × 9 = 567/144
Subtract the two like fractions:
672/144 - 567/144 = 672 - 567/144 = 105/144
After reducing the fraction, the answer is 35/48

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