Subtract 8/4 from 16/72
1st number: 16/72, 2nd number: 2 0/4
16/72 - 8/4 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 4 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
16/72 = 16 × 1/72 × 1 = 16/72 - Likewise, for the 2nd fraction, since 4 × 18 = 72,
8/4 = 8 × 18/4 × 18 = 144/72 - Subtract the two like fractions:
16/72 - 144/72 = 16 - 144/72 = -128/72 - After reducing the fraction, the answer is -16/9
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