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Add 9/28 and 45/70

9/28 + 45/70 is 27/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    9/28 = 9 × 5/28 × 5 = 45/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    45/70 = 45 × 2/70 × 2 = 90/140
  4. Add the two fractions:
    45/140 + 90/140 = 45 + 90/140 = 135/140
  5. 135/140 simplified gives 27/28
  6. So, 9/28 + 45/70 = 27/28

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