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Add 15/10 and 2/84

1st number: 1 5/10, 2nd number: 2/84

15/10 + 2/84 is 32/21.

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,
    15/10 = 15 × 42/10 × 42 = 630/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    2/84 = 2 × 5/84 × 5 = 10/420
  4. Add the two like fractions:
    630/420 + 10/420 = 630 + 10/420 = 640/420
  5. 640/420 simplified gives 32/21
  6. So, 15/10 + 2/84 = 32/21
    In mixed form: 111/21

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