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Add 20/7 and 42/54

1st number: 2 6/7, 2nd number: 42/54

20/7 + 42/54 is 229/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 54 is 378
  2. For the 1st fraction, since 7 × 54 = 378,
    20/7 = 20 × 54/7 × 54 = 1080/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    42/54 = 42 × 7/54 × 7 = 294/378
  4. Add the two fractions:
    1080/378 + 294/378 = 1080 + 294/378 = 1374/378
  5. After reducing the fraction, the answer is 229/63
  6. In mixed form: 340/63

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