Subtract 28/4 from 12/9
1st number: 1 3/9, 2nd number: 7 0/4
12/9 - 28/4 is -17/3.
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,
12/9 = 12 × 4/9 × 4 = 48/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
28/4 = 28 × 9/4 × 9 = 252/36 - Subtract the two like fractions:
48/36 - 252/36 = 48 - 252/36 = -204/36 - After reducing the fraction, the answer is -17/3
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