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Add 21/45 and 18/4

1st number: 21/45, 2nd number: 4 2/4

21/45 + 18/4 is 149/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 4 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    21/45 = 21 × 4/45 × 4 = 84/180
  3. Likewise, for the 2nd fraction, since 4 × 45 = 180,
    18/4 = 18 × 45/4 × 45 = 810/180
  4. Add the two like fractions:
    84/180 + 810/180 = 84 + 810/180 = 894/180
  5. 894/180 simplified gives 149/30
  6. So, 21/45 + 18/4 = 149/30
    In mixed form: 429/30

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