Add 84/40 and 6/42, Solve 2 4/40 + 6/42 as a fraction

Add 84/40 and 6/42

1^st number: 2 4/40, 2^nd number: 6/42

84/40 + 6/42 is 157/70.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 40 × 21 = 840,
84/40 = 84 × 21/40 × 21 = 1764/840
Likewise, for the 2nd fraction, since 42 × 20 = 840,
6/42 = 6 × 20/42 × 20 = 120/840
Add the two like fractions:
1764/840 + 120/840 = 1764 + 120/840 = 1884/840
1884/840 simplified gives 157/70
So, 84/40 + 6/42 = 157/70
In mixed form: 217/70

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