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Add 84/40 and 45/15

1st number: 2 4/40, 2nd number: 3 0/15

84/40 + 45/15 is 51/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 15 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    84/40 = 84 × 3/40 × 3 = 252/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    45/15 = 45 × 8/15 × 8 = 360/120
  4. Add the two fractions:
    252/120 + 360/120 = 252 + 360/120 = 612/120
  5. 612/120 simplified gives 51/10
  6. So, 84/40 + 45/15 = 51/10
    In mixed form: 51/10

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