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Add 30/70 and 40/15

1st number: 30/70, 2nd number: 2 10/15

30/70 + 40/15 is 65/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 15 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    30/70 = 30 × 3/70 × 3 = 90/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    40/15 = 40 × 14/15 × 14 = 560/210
  4. Add the two like fractions:
    90/210 + 560/210 = 90 + 560/210 = 650/210
  5. 650/210 simplified gives 65/21
  6. So, 30/70 + 40/15 = 65/21
    In mixed form: 32/21

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