Add 2/4 and 21/42
2/4 + 21/42 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
2/4 = 2 × 21/4 × 21 = 42/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
21/42 = 21 × 2/42 × 2 = 42/84 - Add the two like fractions:
42/84 + 42/84 = 42 + 42/84 = 84/84 - 84/84 simplified gives 1/1
- So, 2/4 + 21/42 = 1/1
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