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Add 12/10 and 84/72

1st number: 1 2/10, 2nd number: 1 12/72

12/10 + 84/72 is 71/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 10 × 36 = 360,
    12/10 = 12 × 36/10 × 36 = 432/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    84/72 = 84 × 5/72 × 5 = 420/360
  4. Add the two like fractions:
    432/360 + 420/360 = 432 + 420/360 = 852/360
  5. 852/360 simplified gives 71/30
  6. So, 12/10 + 84/72 = 71/30
    In mixed form: 211/30

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