Add 40/2 and 25/21, Solve 20 0/2 + 1 4/21 as a fraction

Add 40/2 and 25/21

1^st number: 20 0/2, 2^nd number: 1 4/21

40/2 + 25/21 is 445/21.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
40/2 = 40 × 21/2 × 21 = 840/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
25/21 = 25 × 2/21 × 2 = 50/42
Add the two like fractions:
840/42 + 50/42 = 840 + 50/42 = 890/42
890/42 simplified gives 445/21
So, 40/2 + 25/21 = 445/21
In mixed form: 214/21

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