Subtract 81/18 from 30/5
1st number: 6 0/5, 2nd number: 4 9/18
30/5 - 81/18 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
30/5 = 30 × 18/5 × 18 = 540/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
81/18 = 81 × 5/18 × 5 = 405/90 - Subtract the two like fractions:
540/90 - 405/90 = 540 - 405/90 = 135/90 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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