Add 20/2 and 8/21
1st number: 10 0/2, 2nd number: 8/21
20/2 + 8/21 is 218/21.
Steps for adding fractions
- 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,
20/2 = 20 × 21/2 × 21 = 420/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
8/21 = 8 × 2/21 × 2 = 16/42 - Add the two like fractions:
420/42 + 16/42 = 420 + 16/42 = 436/42 - 436/42 simplified gives 218/21
- So, 20/2 + 8/21 = 218/21
In mixed form: 108/21
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