Subtract 90/36 from 12/9
1st number: 1 3/9, 2nd number: 2 18/36
12/9 - 90/36 is -7/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 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 36 × 1 = 36,
90/36 = 90 × 1/36 × 1 = 90/36 - Subtract the two like fractions:
48/36 - 90/36 = 48 - 90/36 = -42/36 - After reducing the fraction, the answer is -7/6
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