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Add 30/36 and 15/70

30/36 + 15/70 is 22/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 70 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 36 × 35 = 1260,
    30/36 = 30 × 35/36 × 35 = 1050/1260
  3. Likewise, for the 2nd fraction, since 70 × 18 = 1260,
    15/70 = 15 × 18/70 × 18 = 270/1260
  4. Add the two like fractions:
    1050/1260 + 270/1260 = 1050 + 270/1260 = 1320/1260
  5. 1320/1260 simplified gives 22/21
  6. So, 30/36 + 15/70 = 22/21
    In mixed form: 11/21

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