Subtract 20/9 from 8/16
1st number: 8/16, 2nd number: 2 2/9
8/16 - 20/9 is -31/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
8/16 = 8 × 9/16 × 9 = 72/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
20/9 = 20 × 16/9 × 16 = 320/144 - Subtract the two like fractions:
72/144 - 320/144 = 72 - 320/144 = -248/144 - After reducing the fraction, the answer is -31/18
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