Add 5/2 and 21/42
1st number: 2 1/2, 2nd number: 21/42
5/2 + 21/42 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
5/2 = 5 × 21/2 × 21 = 105/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
21/42 = 21 × 1/42 × 1 = 21/42 - Add the two like fractions:
105/42 + 21/42 = 105 + 21/42 = 126/42 - 126/42 simplified gives 3/1
- So, 5/2 + 21/42 = 3/1
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