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Add 10/45 and 42/20

1st number: 10/45, 2nd number: 2 2/20

10/45 + 42/20 is 209/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 20 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    10/45 = 10 × 4/45 × 4 = 40/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    42/20 = 42 × 9/20 × 9 = 378/180
  4. Add the two like fractions:
    40/180 + 378/180 = 40 + 378/180 = 418/180
  5. 418/180 simplified gives 209/90
  6. So, 10/45 + 42/20 = 209/90
    In mixed form: 229/90

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