Subtract 15/63 from 18/6
1st number: 3 0/6, 2nd number: 15/63
18/6 - 15/63 is 58/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 6 × 21 = 126,
18/6 = 18 × 21/6 × 21 = 378/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Subtract the two like fractions:
378/126 - 30/126 = 378 - 30/126 = 348/126 - After reducing the fraction, the answer is 58/21
- In mixed form: 216/21
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