Subtract 6/54 from 90/45
1st number: 2 0/45, 2nd number: 6/54
90/45 - 6/54 is 17/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
90/45 = 90 × 6/45 × 6 = 540/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
6/54 = 6 × 5/54 × 5 = 30/270 - Subtract the two like fractions:
540/270 - 30/270 = 540 - 30/270 = 510/270 - After reducing the fraction, the answer is 17/9
- In mixed form: 18/9
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