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Add 96/20 and 21/45

1st number: 4 16/20, 2nd number: 21/45

96/20 + 21/45 is 79/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    96/20 = 96 × 9/20 × 9 = 864/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    21/45 = 21 × 4/45 × 4 = 84/180
  4. Add the two like fractions:
    864/180 + 84/180 = 864 + 84/180 = 948/180
  5. 948/180 simplified gives 79/15
  6. So, 96/20 + 21/45 = 79/15
    In mixed form: 54/15

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