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Add 7/20 and 90/45

1st number: 7/20, 2nd number: 2 0/45

7/20 + 90/45 is 47/20.

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,
    7/20 = 7 × 9/20 × 9 = 63/180
  3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
    90/45 = 90 × 4/45 × 4 = 360/180
  4. Add the two like fractions:
    63/180 + 360/180 = 63 + 360/180 = 423/180
  5. 423/180 simplified gives 47/20
  6. So, 7/20 + 90/45 = 47/20
    In mixed form: 27/20

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