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Add 15/27 and 42/20

1st number: 15/27, 2nd number: 2 2/20

15/27 + 42/20 is 239/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    15/27 = 15 × 20/27 × 20 = 300/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    42/20 = 42 × 27/20 × 27 = 1134/540
  4. Add the two like fractions:
    300/540 + 1134/540 = 300 + 1134/540 = 1434/540
  5. 1434/540 simplified gives 239/90
  6. So, 15/27 + 42/20 = 239/90
    In mixed form: 259/90

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