Subtract 30/15 from 84/18
1st number: 4 12/18, 2nd number: 2 0/15
84/18 - 30/15 is 8/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 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 15 × 6 = 90,
30/15 = 30 × 6/15 × 6 = 180/90 - Subtract the two like fractions:
420/90 - 180/90 = 420 - 180/90 = 240/90 - After reducing the fraction, the answer is 8/3
- In mixed form: 22/3
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