Subtract 20/84 from 30/6
1st number: 5 0/6, 2nd number: 20/84
30/6 - 20/84 is 100/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
30/6 = 30 × 14/6 × 14 = 420/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Subtract the two like fractions:
420/84 - 20/84 = 420 - 20/84 = 400/84 - After reducing the fraction, the answer is 100/21
- In mixed form: 416/21
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