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Add 45/70 and 30/12

1st number: 45/70, 2nd number: 2 6/12

45/70 + 30/12 is 22/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 12 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    45/70 = 45 × 6/70 × 6 = 270/420
  3. Likewise, for the 2nd fraction, since 12 × 35 = 420,
    30/12 = 30 × 35/12 × 35 = 1050/420
  4. Add the two like fractions:
    270/420 + 1050/420 = 270 + 1050/420 = 1320/420
  5. 1320/420 simplified gives 22/7
  6. So, 45/70 + 30/12 = 22/7
    In mixed form: 31/7

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