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Add 42/20 and 9/84

1st number: 2 2/20, 2nd number: 9/84

42/20 + 9/84 is 309/140.

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,
    9/84 = 9 × 5/84 × 5 = 45/420
  4. Add the two fractions:
    882/420 + 45/420 = 882 + 45/420 = 927/420
  5. 927/420 simplified gives 309/140
  6. So, 42/20 + 9/84 = 309/140
    In mixed form: 229/140

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