Add 40/21 and 6/84, Solve 1 19/21 + 6/84 as a fraction

Add 40/21 and 6/84

1^st number: 1 19/21, 2^nd number: 6/84

40/21 + 6/84 is 83/42.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
40/21 = 40 × 4/21 × 4 = 160/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
6/84 = 6 × 1/84 × 1 = 6/84
Add the two like fractions:
160/84 + 6/84 = 160 + 6/84 = 166/84
166/84 simplified gives 83/42
So, 40/21 + 6/84 = 83/42
In mixed form: 141/42

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