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Add 98/20 and 2/7

1st number: 4 18/20, 2nd number: 2/7

98/20 + 2/7 is 363/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 7 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 20 × 7 = 140,
    98/20 = 98 × 7/20 × 7 = 686/140
  3. Likewise, for the 2nd fraction, since 7 × 20 = 140,
    2/7 = 2 × 20/7 × 20 = 40/140
  4. Add the two like fractions:
    686/140 + 40/140 = 686 + 40/140 = 726/140
  5. 726/140 simplified gives 363/70
  6. So, 98/20 + 2/7 = 363/70
    In mixed form: 513/70

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