Subtract 18/45 from 72/9
1st number: 8 0/9, 2nd number: 18/45
72/9 - 18/45 is 38/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
72/9 = 72 × 5/9 × 5 = 360/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
18/45 = 18 × 1/45 × 1 = 18/45 - Subtract the two like fractions:
360/45 - 18/45 = 360 - 18/45 = 342/45 - After reducing the fraction, the answer is 38/5
- In mixed form: 73/5
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