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Add 20/14 and 42/54

1st number: 1 6/14, 2nd number: 42/54

20/14 + 42/54 is 139/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 54 is 378
  2. For the 1st fraction, since 14 × 27 = 378,
    20/14 = 20 × 27/14 × 27 = 540/378
  3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
    42/54 = 42 × 7/54 × 7 = 294/378
  4. Add the two fractions:
    540/378 + 294/378 = 540 + 294/378 = 834/378
  5. 834/378 simplified gives 139/63
  6. So, 20/14 + 42/54 = 139/63
    In mixed form: 213/63

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