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Add 90/20 and 70/56

1st number: 4 10/20, 2nd number: 1 14/56

90/20 + 70/56 is 23/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280
  2. For the 1st fraction, since 20 × 14 = 280,
    90/20 = 90 × 14/20 × 14 = 1260/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    70/56 = 70 × 5/56 × 5 = 350/280
  4. Add the two fractions:
    1260/280 + 350/280 = 1260 + 350/280 = 1610/280
  5. After reducing the fraction, the answer is 23/4
  6. In mixed form: 53/4

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