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Add 42/18 and 81/7

1st number: 2 6/18, 2nd number: 11 4/7

42/18 + 81/7 is 292/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 7 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    42/18 = 42 × 7/18 × 7 = 294/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    81/7 = 81 × 18/7 × 18 = 1458/126
  4. Add the two like fractions:
    294/126 + 1458/126 = 294 + 1458/126 = 1752/126
  5. 1752/126 simplified gives 292/21
  6. So, 42/18 + 81/7 = 292/21
    In mixed form: 1319/21

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