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Add 12/36 and 63/70

12/36 + 63/70 is 37/30.

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,
    12/36 = 12 × 35/36 × 35 = 420/1260
  3. Likewise, for the 2nd fraction, since 70 × 18 = 1260,
    63/70 = 63 × 18/70 × 18 = 1134/1260
  4. Add the two like fractions:
    420/1260 + 1134/1260 = 420 + 1134/1260 = 1554/1260
  5. 1554/1260 simplified gives 37/30
  6. So, 12/36 + 63/70 = 37/30
    In mixed form: 17/30

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