Subtract 80/4 from 16/18
1st number: 16/18, 2nd number: 20 0/4
16/18 - 80/4 is -172/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
16/18 = 16 × 2/18 × 2 = 32/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
80/4 = 80 × 9/4 × 9 = 720/36 - Subtract the two like fractions:
32/36 - 720/36 = 32 - 720/36 = -688/36 - After reducing the fraction, the answer is -172/9
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