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Add 72/90 and 45/6

1st number: 72/90, 2nd number: 7 3/6

72/90 + 45/6 is 83/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 6 is 90
  2. For the 1st fraction, since 90 × 1 = 90,
    72/90 = 72 × 1/90 × 1 = 72/90
  3. Likewise, for the 2nd fraction, since 6 × 15 = 90,
    45/6 = 45 × 15/6 × 15 = 675/90
  4. Add the two fractions:
    72/90 + 675/90 = 72 + 675/90 = 747/90
  5. After reducing the fraction, the answer is 83/10
  6. In mixed form: 83/10

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