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Add 21/10 and 2/84

1st number: 2 1/10, 2nd number: 2/84

21/10 + 2/84 is 223/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 10 × 42 = 420,
    21/10 = 21 × 42/10 × 42 = 882/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    2/84 = 2 × 5/84 × 5 = 10/420
  4. Add the two like fractions:
    882/420 + 10/420 = 882 + 10/420 = 892/420
  5. 892/420 simplified gives 223/105
  6. So, 21/10 + 2/84 = 223/105
    In mixed form: 213/105

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