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Add 21/9 and 10/70

1st number: 2 3/9, 2nd number: 10/70

21/9 + 10/70 is 52/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 9 × 70 = 630,
    21/9 = 21 × 70/9 × 70 = 1470/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    10/70 = 10 × 9/70 × 9 = 90/630
  4. Add the two like fractions:
    1470/630 + 90/630 = 1470 + 90/630 = 1560/630
  5. 1560/630 simplified gives 52/21
  6. So, 21/9 + 10/70 = 52/21
    In mixed form: 210/21

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