Add 42/2 and 4/21
1st number: 21 0/2, 2nd number: 4/21
42/2 + 4/21 is 445/21.
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,
42/2 = 42 × 21/2 × 21 = 882/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
4/21 = 4 × 2/21 × 2 = 8/42 - Add the two like fractions:
882/42 + 8/42 = 882 + 8/42 = 890/42 - 890/42 simplified gives 445/21
- So, 42/2 + 4/21 = 445/21
In mixed form: 214/21
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