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Add 54/30 and 70/40

1st number: 1 24/30, 2nd number: 1 30/40

54/30 + 70/40 is 71/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120
  2. For the 1st fraction, since 30 × 4 = 120,
    54/30 = 54 × 4/30 × 4 = 216/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    70/40 = 70 × 3/40 × 3 = 210/120
  4. Add the two fractions:
    216/120 + 210/120 = 216 + 210/120 = 426/120
  5. 426/120 simplified gives 71/20
  6. So, 54/30 + 70/40 = 71/20
    In mixed form: 311/20

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