Subtract 15/21 from 54/6
1st number: 9 0/6, 2nd number: 15/21
54/6 - 15/21 is 58/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
54/6 = 54 × 7/6 × 7 = 378/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
15/21 = 15 × 2/21 × 2 = 30/42 - Subtract the two like fractions:
378/42 - 30/42 = 378 - 30/42 = 348/42 - After reducing the fraction, the answer is 58/7
- In mixed form: 82/7
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