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Add 28/70 and 90/24

1st number: 28/70, 2nd number: 3 18/24

28/70 + 90/24 is 83/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 24 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 70 × 12 = 840,
    28/70 = 28 × 12/70 × 12 = 336/840
  3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
    90/24 = 90 × 35/24 × 35 = 3150/840
  4. Add the two like fractions:
    336/840 + 3150/840 = 336 + 3150/840 = 3486/840
  5. 3486/840 simplified gives 83/20
  6. So, 28/70 + 90/24 = 83/20
    In mixed form: 43/20

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