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Add 28/30 and 70/42

1st number: 28/30, 2nd number: 1 28/42

28/30 + 70/42 is 13/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210
  2. For the 1st fraction, since 30 × 7 = 210,
    28/30 = 28 × 7/30 × 7 = 196/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    70/42 = 70 × 5/42 × 5 = 350/210
  4. Add the two fractions:
    196/210 + 350/210 = 196 + 350/210 = 546/210
  5. 546/210 simplified gives 13/5
  6. So, 28/30 + 70/42 = 13/5
    In mixed form: 23/5

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