Subtract 18/63 from 90/2
1st number: 45 0/2, 2nd number: 18/63
90/2 - 18/63 is 313/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 2 × 63 = 126,
90/2 = 90 × 63/2 × 63 = 5670/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
18/63 = 18 × 2/63 × 2 = 36/126 - Subtract the two like fractions:
5670/126 - 36/126 = 5670 - 36/126 = 5634/126 - After reducing the fraction, the answer is 313/7
- In mixed form: 445/7
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