Subtract 18/5 from 90/2
1st number: 45 0/2, 2nd number: 3 3/5
90/2 - 18/5 is 207/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
90/2 = 90 × 5/2 × 5 = 450/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
18/5 = 18 × 2/5 × 2 = 36/10 - Subtract the two like fractions:
450/10 - 36/10 = 450 - 36/10 = 414/10 - After reducing the fraction, the answer is 207/5
- In mixed form: 412/5
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