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Add 15/70 and 12/4

1st number: 15/70, 2nd number: 3 0/4

15/70 + 12/4 is 45/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 4 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    15/70 = 15 × 2/70 × 2 = 30/140
  3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
    12/4 = 12 × 35/4 × 35 = 420/140
  4. Add the two like fractions:
    30/140 + 420/140 = 30 + 420/140 = 450/140
  5. 450/140 simplified gives 45/14
  6. So, 15/70 + 12/4 = 45/14
    In mixed form: 33/14

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