Subtract 9/45 from 84/18
1st number: 4 12/18, 2nd number: 9/45
84/18 - 9/45 is 67/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
9/45 = 9 × 2/45 × 2 = 18/90 - Subtract the two like fractions:
420/90 - 18/90 = 420 - 18/90 = 402/90 - After reducing the fraction, the answer is 67/15
- In mixed form: 47/15
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