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Add 70/15 and 90/24

1st number: 4 10/15, 2nd number: 3 18/24

70/15 + 90/24 is 101/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 24 is 120
  2. For the 1st fraction, since 15 × 8 = 120,
    70/15 = 70 × 8/15 × 8 = 560/120
  3. Likewise, for the 2nd fraction, since 24 × 5 = 120,
    90/24 = 90 × 5/24 × 5 = 450/120
  4. Add the two fractions:
    560/120 + 450/120 = 560 + 450/120 = 1010/120
  5. 1010/120 simplified gives 101/12
  6. So, 70/15 + 90/24 = 101/12
    In mixed form: 85/12

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