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Add 16/70 and 21/9

1st number: 16/70, 2nd number: 2 3/9

16/70 + 21/9 is 269/105.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    16/70 = 16 × 9/70 × 9 = 144/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    21/9 = 21 × 70/9 × 70 = 1470/630
  4. Add the two like fractions:
    144/630 + 1470/630 = 144 + 1470/630 = 1614/630
  5. 1614/630 simplified gives 269/105
  6. So, 16/70 + 21/9 = 269/105
    In mixed form: 259/105

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