Subtract 12/84 from 90/2
1st number: 45 0/2, 2nd number: 12/84
90/2 - 12/84 is 314/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
90/2 = 90 × 42/2 × 42 = 3780/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
12/84 = 12 × 1/84 × 1 = 12/84 - Subtract the two like fractions:
3780/84 - 12/84 = 3780 - 12/84 = 3768/84 - After reducing the fraction, the answer is 314/7
- In mixed form: 446/7
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