Subtract 21/54 from 80/18
1st number: 4 8/18, 2nd number: 21/54
80/18 - 21/54 is 73/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
80/18 = 80 × 3/18 × 3 = 240/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
21/54 = 21 × 1/54 × 1 = 21/54 - Subtract the two like fractions:
240/54 - 21/54 = 240 - 21/54 = 219/54 - After reducing the fraction, the answer is 73/18
- In mixed form: 41/18
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