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Add 15/72 and 48/40

1st number: 15/72, 2nd number: 1 8/40

15/72 + 48/40 is 169/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 is 360
  2. For the 1st fraction, since 72 × 5 = 360,
    15/72 = 15 × 5/72 × 5 = 75/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    48/40 = 48 × 9/40 × 9 = 432/360
  4. Add the two fractions:
    75/360 + 432/360 = 75 + 432/360 = 507/360
  5. After reducing the fraction, the answer is 169/120
  6. In mixed form: 149/120

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