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Add 90/25 and 15/42

1st number: 3 15/25, 2nd number: 15/42

90/25 + 15/42 is 277/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 42 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 25 × 42 = 1050,
    90/25 = 90 × 42/25 × 42 = 3780/1050
  3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
    15/42 = 15 × 25/42 × 25 = 375/1050
  4. Add the two like fractions:
    3780/1050 + 375/1050 = 3780 + 375/1050 = 4155/1050
  5. 4155/1050 simplified gives 277/70
  6. So, 90/25 + 15/42 = 277/70
    In mixed form: 367/70

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