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Add 28/70 and 90/4

1st number: 28/70, 2nd number: 22 2/4

28/70 + 90/4 is 229/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 4 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    28/70 = 28 × 2/70 × 2 = 56/140
  3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
    90/4 = 90 × 35/4 × 35 = 3150/140
  4. Add the two like fractions:
    56/140 + 3150/140 = 56 + 3150/140 = 3206/140
  5. 3206/140 simplified gives 229/10
  6. So, 28/70 + 90/4 = 229/10
    In mixed form: 229/10

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