Add 20/21 and 84/14
1st number: 20/21, 2nd number: 6 0/14
20/21 + 84/14 is 146/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
20/21 = 20 × 2/21 × 2 = 40/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
84/14 = 84 × 3/14 × 3 = 252/42 - Add the two like fractions:
40/42 + 252/42 = 40 + 252/42 = 292/42 - 292/42 simplified gives 146/21
- So, 20/21 + 84/14 = 146/21
In mixed form: 620/21
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