Subtract 18/45 from 90/25
1st number: 3 15/25, 2nd number: 18/45
90/25 - 18/45 is 16/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 25 × 9 = 225,
90/25 = 90 × 9/25 × 9 = 810/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
18/45 = 18 × 5/45 × 5 = 90/225 - Subtract the two like fractions:
810/225 - 90/225 = 810 - 90/225 = 720/225 - After reducing the fraction, the answer is 16/5
- In mixed form: 31/5
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