Subtract 42/63 from 21/6
1st number: 3 3/6, 2nd number: 42/63
21/6 - 42/63 is 17/6.
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,
21/6 = 21 × 21/6 × 21 = 441/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
42/63 = 42 × 2/63 × 2 = 84/126 - Subtract the two like fractions:
441/126 - 84/126 = 441 - 84/126 = 357/126 - After reducing the fraction, the answer is 17/6
- In mixed form: 25/6
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