Subtract 45/16 from 6/72, Solve 6/72

Subtract 45/16 from 6/72

1^st number: 6/72, 2^nd number: 2 13/16

6/72 - 45/16 is -131/48.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144

Next, find the equivalent fraction of both fractional numbers with denominator 144
For the 1st fraction, since 72 × 2 = 144,
6/72 = 6 × 2/72 × 2 = 12/144
Likewise, for the 2nd fraction, since 16 × 9 = 144,
45/16 = 45 × 9/16 × 9 = 405/144
Subtract the two like fractions:
12/144 - 405/144 = 12 - 405/144 = -393/144
After reducing the fraction, the answer is -131/48

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