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Add 72/14 and 42/20

1st number: 5 2/14, 2nd number: 2 2/20

72/14 + 42/20 is 507/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 20 is 140
  2. For the 1st fraction, since 14 × 10 = 140,
    72/14 = 72 × 10/14 × 10 = 720/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    42/20 = 42 × 7/20 × 7 = 294/140
  4. Add the two fractions:
    720/140 + 294/140 = 720 + 294/140 = 1014/140
  5. 1014/140 simplified gives 507/70
  6. So, 72/14 + 42/20 = 507/70
    In mixed form: 717/70

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