Subtract 18/9 from 30/45
1st number: 30/45, 2nd number: 2 0/9
30/45 - 18/9 is -4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
30/45 = 30 × 1/45 × 1 = 30/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
18/9 = 18 × 5/9 × 5 = 90/45 - Subtract the two like fractions:
30/45 - 90/45 = 30 - 90/45 = -60/45 - After reducing the fraction, the answer is -4/3
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