Add 20/84 and 42/6
1st number: 20/84, 2nd number: 7 0/6
20/84 + 42/6 is 152/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
20/84 = 20 × 1/84 × 1 = 20/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
42/6 = 42 × 14/6 × 14 = 588/84 - Add the two like fractions:
20/84 + 588/84 = 20 + 588/84 = 608/84 - 608/84 simplified gives 152/21
- So, 20/84 + 42/6 = 152/21
In mixed form: 75/21
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