Add 40/6 and 84/21
1st number: 6 4/6, 2nd number: 4 0/21
40/6 + 84/21 is 32/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
40/6 = 40 × 7/6 × 7 = 280/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
84/21 = 84 × 2/21 × 2 = 168/42 - Add the two like fractions:
280/42 + 168/42 = 280 + 168/42 = 448/42 - 448/42 simplified gives 32/3
- So, 40/6 + 84/21 = 32/3
In mixed form: 102/3
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