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Add 30/21 and 70/10

1st number: 1 9/21, 2nd number: 7 0/10

30/21 + 70/10 is 59/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    30/21 = 30 × 10/21 × 10 = 300/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    70/10 = 70 × 21/10 × 21 = 1470/210
  4. Add the two like fractions:
    300/210 + 1470/210 = 300 + 1470/210 = 1770/210
  5. 1770/210 simplified gives 59/7
  6. So, 30/21 + 70/10 = 59/7
    In mixed form: 83/7

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