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Add 90/63 and 20/54

1st number: 1 27/63, 2nd number: 20/54

90/63 + 20/54 is 340/189.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 54 is 378
  2. For the 1st fraction, since 63 × 6 = 378,
    90/63 = 90 × 6/63 × 6 = 540/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    20/54 = 20 × 7/54 × 7 = 140/378
  4. Add the two fractions:
    540/378 + 140/378 = 540 + 140/378 = 680/378
  5. After reducing the fraction, the answer is 340/189
  6. In mixed form: 1151/189

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