Subtract 30/3 from 45/18
1st number: 2 9/18, 2nd number: 10 0/3
45/18 - 30/3 is -15/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 3 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 18 × 1 = 18,
45/18 = 45 × 1/18 × 1 = 45/18 - Likewise, for the 2nd fraction, since 3 × 6 = 18,
30/3 = 30 × 6/3 × 6 = 180/18 - Subtract the two like fractions:
45/18 - 180/18 = 45 - 180/18 = -135/18 - After reducing the fraction, the answer is -15/2
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