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Add 72/42 and 42/30

1st number: 1 30/42, 2nd number: 1 12/30

72/42 + 42/30 is 109/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 30 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    72/42 = 72 × 5/42 × 5 = 360/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    42/30 = 42 × 7/30 × 7 = 294/210
  4. Add the two fractions:
    360/210 + 294/210 = 360 + 294/210 = 654/210
  5. 654/210 simplified gives 109/35
  6. So, 72/42 + 42/30 = 109/35
    In mixed form: 34/35

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