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Add 20/70 and 9/36

20/70 + 9/36 is 15/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 36 is 1260
  2. For the 1st fraction, since 70 × 18 = 1260,
    20/70 = 20 × 18/70 × 18 = 360/1260
  3. Likewise, for the 2nd fraction, since 36 × 35 = 1260,
    9/36 = 9 × 35/36 × 35 = 315/1260
  4. Add the two fractions:
    360/1260 + 315/1260 = 360 + 315/1260 = 675/1260
  5. 675/1260 simplified gives 15/28
  6. So, 20/70 + 9/36 = 15/28

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