Subtract 15/54 from 70/18
1st number: 3 16/18, 2nd number: 15/54
70/18 - 15/54 is 65/18.
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,
70/18 = 70 × 3/18 × 3 = 210/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
15/54 = 15 × 1/54 × 1 = 15/54 - Subtract the two like fractions:
210/54 - 15/54 = 210 - 15/54 = 195/54 - After reducing the fraction, the answer is 65/18
- In mixed form: 311/18
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