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Add 84/45 and 7/20

1st number: 1 39/45, 2nd number: 7/20

84/45 + 7/20 is 133/60.

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,
    84/45 = 84 × 4/45 × 4 = 336/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    7/20 = 7 × 9/20 × 9 = 63/180
  4. Add the two like fractions:
    336/180 + 63/180 = 336 + 63/180 = 399/180
  5. 399/180 simplified gives 133/60
  6. So, 84/45 + 7/20 = 133/60
    In mixed form: 213/60

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