Subtract 18/16 from 4/9
1st number: 4/9, 2nd number: 1 2/16
4/9 - 18/16 is -49/72.
Steps for subtracting fractions
- 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,
4/9 = 4 × 16/9 × 16 = 64/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
18/16 = 18 × 9/16 × 9 = 162/144 - Subtract the two like fractions:
64/144 - 162/144 = 64 - 162/144 = -98/144 - After reducing the fraction, the answer is -49/72
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