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Add 42/10 and 15/54

1st number: 4 2/10, 2nd number: 15/54

42/10 + 15/54 is 403/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 10 × 27 = 270,
    42/10 = 42 × 27/10 × 27 = 1134/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    15/54 = 15 × 5/54 × 5 = 75/270
  4. Add the two like fractions:
    1134/270 + 75/270 = 1134 + 75/270 = 1209/270
  5. 1209/270 simplified gives 403/90
  6. So, 42/10 + 15/54 = 403/90
    In mixed form: 443/90

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