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Add 70/12 and 25/45

1st number: 5 10/12, 2nd number: 25/45

70/12 + 25/45 is 115/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 45 is 180
  2. For the 1st fraction, since 12 × 15 = 180,
    70/12 = 70 × 15/12 × 15 = 1050/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    25/45 = 25 × 4/45 × 4 = 100/180
  4. Add the two fractions:
    1050/180 + 100/180 = 1050 + 100/180 = 1150/180
  5. 1150/180 simplified gives 115/18
  6. So, 70/12 + 25/45 = 115/18
    In mixed form: 67/18

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