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Add 42/18 and 72/7

1st number: 2 6/18, 2nd number: 10 2/7

42/18 + 72/7 is 265/21.

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,
    72/7 = 72 × 18/7 × 18 = 1296/126
  4. Add the two like fractions:
    294/126 + 1296/126 = 294 + 1296/126 = 1590/126
  5. 1590/126 simplified gives 265/21
  6. So, 42/18 + 72/7 = 265/21
    In mixed form: 1213/21

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