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Add 72/49 and 42/20

1st number: 1 23/49, 2nd number: 2 2/20

72/49 + 42/20 is 1749/490.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 20 is 980
  2. For the 1st fraction, since 49 × 20 = 980,
    72/49 = 72 × 20/49 × 20 = 1440/980
  3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
    42/20 = 42 × 49/20 × 49 = 2058/980
  4. Add the two fractions:
    1440/980 + 2058/980 = 1440 + 2058/980 = 3498/980
  5. 3498/980 simplified gives 1749/490
  6. So, 72/49 + 42/20 = 1749/490
    In mixed form: 3279/490

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