Subtract 12/4 from 7/9
1st number: 7/9, 2nd number: 3 0/4
7/9 - 12/4 is -20/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
7/9 = 7 × 4/9 × 4 = 28/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
12/4 = 12 × 9/4 × 9 = 108/36 - Subtract the two like fractions:
28/36 - 108/36 = 28 - 108/36 = -80/36 - After reducing the fraction, the answer is -20/9
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