Subtract 72/36 from 4/18
1st number: 4/18, 2nd number: 2 0/36
4/18 - 72/36 is -16/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
4/18 = 4 × 2/18 × 2 = 8/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
72/36 = 72 × 1/36 × 1 = 72/36 - Subtract the two like fractions:
8/36 - 72/36 = 8 - 72/36 = -64/36 - After reducing the fraction, the answer is -16/9
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