Subtract 30/16 from 16/9
1st number: 1 7/9, 2nd number: 1 14/16
16/9 - 30/16 is -7/72.
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,
16/9 = 16 × 16/9 × 16 = 256/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
30/16 = 30 × 9/16 × 9 = 270/144 - Subtract the two like fractions:
256/144 - 270/144 = 256 - 270/144 = -14/144 - After reducing the fraction, the answer is -7/72
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