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Add 63/70 and 9/8

1st number: 63/70, 2nd number: 1 1/8

63/70 + 9/8 is 81/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 8 is 280
  2. For the 1st fraction, since 70 × 4 = 280,
    63/70 = 63 × 4/70 × 4 = 252/280
  3. Likewise, for the 2nd fraction, since 8 × 35 = 280,
    9/8 = 9 × 35/8 × 35 = 315/280
  4. Add the two fractions:
    252/280 + 315/280 = 252 + 315/280 = 567/280
  5. After reducing the fraction, the answer is 81/40
  6. In mixed form: 21/40

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