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Add 9/7 and 12/40

1st number: 1 2/7, 2nd number: 12/40

9/7 + 12/40 is 111/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280
  2. For the 1st fraction, since 7 × 40 = 280,
    9/7 = 9 × 40/7 × 40 = 360/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    12/40 = 12 × 7/40 × 7 = 84/280
  4. Add the two fractions:
    360/280 + 84/280 = 360 + 84/280 = 444/280
  5. After reducing the fraction, the answer is 111/70
  6. In mixed form: 141/70

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