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Add 90/28 and 40/70

1st number: 3 6/28, 2nd number: 40/70

90/28 + 40/70 is 53/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 28 × 5 = 140,
    90/28 = 90 × 5/28 × 5 = 450/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    40/70 = 40 × 2/70 × 2 = 80/140
  4. Add the two like fractions:
    450/140 + 80/140 = 450 + 80/140 = 530/140
  5. 530/140 simplified gives 53/14
  6. So, 90/28 + 40/70 = 53/14
    In mixed form: 311/14

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