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Add 70/40 and 12/45

1st number: 1 30/40, 2nd number: 12/45

70/40 + 12/45 is 121/60.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 45 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    70/40 = 70 × 9/40 × 9 = 630/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    12/45 = 12 × 8/45 × 8 = 96/360
  4. Add the two fractions:
    630/360 + 96/360 = 630 + 96/360 = 726/360
  5. After reducing the fraction, the answer is 121/60
  6. In mixed form: 21/60

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