Add 40/42 and 84/8, Solve 40/42 + 10 4/8 as a fraction

Add 40/42 and 84/8

1^st number: 40/42, 2^nd number: 10 4/8

40/42 + 84/8 is 481/42.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 42 × 4 = 168,
40/42 = 40 × 4/42 × 4 = 160/168
Likewise, for the 2nd fraction, since 8 × 21 = 168,
84/8 = 84 × 21/8 × 21 = 1764/168
Add the two like fractions:
160/168 + 1764/168 = 160 + 1764/168 = 1924/168
1924/168 simplified gives 481/42
So, 40/42 + 84/8 = 481/42
In mixed form: 1119/42

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