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Add 70/30 and 8/21

1st number: 2 10/30, 2nd number: 8/21

70/30 + 8/21 is 19/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 21 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    70/30 = 70 × 7/30 × 7 = 490/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    8/21 = 8 × 10/21 × 10 = 80/210
  4. Add the two like fractions:
    490/210 + 80/210 = 490 + 80/210 = 570/210
  5. 570/210 simplified gives 19/7
  6. So, 70/30 + 8/21 = 19/7
    In mixed form: 25/7

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