Subtract 54/30 from 84/18
1st number: 4 12/18, 2nd number: 1 24/30
84/18 - 54/30 is 43/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 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 30 × 3 = 90,
54/30 = 54 × 3/30 × 3 = 162/90 - Subtract the two like fractions:
420/90 - 162/90 = 420 - 162/90 = 258/90 - After reducing the fraction, the answer is 43/15
- In mixed form: 213/15
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