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Add 54/90 and 70/42

1st number: 54/90, 2nd number: 1 28/42

54/90 + 70/42 is 34/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 42 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    54/90 = 54 × 7/90 × 7 = 378/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    70/42 = 70 × 15/42 × 15 = 1050/630
  4. Add the two fractions:
    378/630 + 1050/630 = 378 + 1050/630 = 1428/630
  5. After reducing the fraction, the answer is 34/15
  6. In mixed form: 24/15

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