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Add 42/20 and 3/84

1st number: 2 2/20, 2nd number: 3/84

42/20 + 3/84 is 299/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 84 is 420
  2. For the 1st fraction, since 20 × 21 = 420,
    42/20 = 42 × 21/20 × 21 = 882/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    3/84 = 3 × 5/84 × 5 = 15/420
  4. Add the two fractions:
    882/420 + 15/420 = 882 + 15/420 = 897/420
  5. 897/420 simplified gives 299/140
  6. So, 42/20 + 3/84 = 299/140
    In mixed form: 219/140

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