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Add 7/36 and 42/70

7/36 + 42/70 is 143/180.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 70 is 1260
  2. For the 1st fraction, since 36 × 35 = 1260,
    7/36 = 7 × 35/36 × 35 = 245/1260
  3. Likewise, for the 2nd fraction, since 70 × 18 = 1260,
    42/70 = 42 × 18/70 × 18 = 756/1260
  4. Add the two fractions:
    245/1260 + 756/1260 = 245 + 756/1260 = 1001/1260
  5. After reducing the fraction, the answer is 143/180

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