Add 10/2 and 40/21, Solve 5 0/2 + 1 19/21 as a fraction

Add 10/2 and 40/21

1^st number: 5 0/2, 2^nd number: 1 19/21

10/2 + 40/21 is 145/21.

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,
10/2 = 10 × 21/2 × 21 = 210/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
40/21 = 40 × 2/21 × 2 = 80/42
Add the two like fractions:
210/42 + 80/42 = 210 + 80/42 = 290/42
290/42 simplified gives 145/21
So, 10/2 + 40/21 = 145/21
In mixed form: 619/21

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