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Add 42/20 and 48/27

1st number: 2 2/20, 2nd number: 1 21/27

42/20 + 48/27 is 349/90.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 20 × 27 = 540,
    42/20 = 42 × 27/20 × 27 = 1134/540
  3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
    48/27 = 48 × 20/27 × 20 = 960/540
  4. Add the two like fractions:
    1134/540 + 960/540 = 1134 + 960/540 = 2094/540
  5. 2094/540 simplified gives 349/90
  6. So, 42/20 + 48/27 = 349/90
    In mixed form: 379/90

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