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Add 20/15 and 7/90

1st number: 1 5/15, 2nd number: 7/90

20/15 + 7/90 is 127/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 15 × 6 = 90,
    20/15 = 20 × 6/15 × 6 = 120/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    7/90 = 7 × 1/90 × 1 = 7/90
  4. Add the two like fractions:
    120/90 + 7/90 = 120 + 7/90 = 127/90
  5. So, 20/15 + 7/90 = 127/90
    In mixed form: 137/90

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