Add 84/21 and 28/14
1st number: 4 0/21, 2nd number: 2 0/14
84/21 + 28/14 is 6/1.
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,
84/21 = 84 × 2/21 × 2 = 168/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
28/14 = 28 × 3/14 × 3 = 84/42 - Add the two like fractions:
168/42 + 84/42 = 168 + 84/42 = 252/42 - 252/42 simplified gives 6/1
- So, 84/21 + 28/14 = 6/1
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