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Add 36/70 and 15/28

36/70 + 15/28 is 21/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 28 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    36/70 = 36 × 2/70 × 2 = 72/140
  3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
    15/28 = 15 × 5/28 × 5 = 75/140
  4. Add the two fractions:
    72/140 + 75/140 = 72 + 75/140 = 147/140
  5. After reducing the fraction, the answer is 21/20
  6. In mixed form: 11/20

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