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Add 9/28 and 63/70

9/28 + 63/70 is 171/140.

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,
    63/70 = 63 × 2/70 × 2 = 126/140
  4. Add the two fractions:
    45/140 + 126/140 = 45 + 126/140 = 171/140
  5. So, 9/28 + 63/70 = 171/140
    In mixed form: 131/140

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