Subtract 90/9 from 7/2
1st number: 3 1/2, 2nd number: 10 0/9
7/2 - 90/9 is -13/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
7/2 = 7 × 9/2 × 9 = 63/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
90/9 = 90 × 2/9 × 2 = 180/18 - Subtract the two like fractions:
63/18 - 180/18 = 63 - 180/18 = -117/18 - After reducing the fraction, the answer is -13/2
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