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Add 15/12 and 72/10

1st number: 1 3/12, 2nd number: 7 2/10

15/12 + 72/10 is 169/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 10 is 60
  2. For the 1st fraction, since 12 × 5 = 60,
    15/12 = 15 × 5/12 × 5 = 75/60
  3. Likewise, for the 2nd fraction, since 10 × 6 = 60,
    72/10 = 72 × 6/10 × 6 = 432/60
  4. Add the two fractions:
    75/60 + 432/60 = 75 + 432/60 = 507/60
  5. After reducing the fraction, the answer is 169/20
  6. In mixed form: 89/20

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