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Add 1/4 and 21/42

1/4 + 21/42 is 3/4.

Steps for adding fractions

  1. 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
  2. For the 1st fraction, since 4 × 21 = 84,
    1/4 = 1 × 21/4 × 21 = 21/84
  3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
    21/42 = 21 × 2/42 × 2 = 42/84
  4. Add the two like fractions:
    21/84 + 42/84 = 21 + 42/84 = 63/84
  5. 63/84 simplified gives 3/4
  6. So, 1/4 + 21/42 = 3/4

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