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Add 9/15 and 63/40

1st number: 9/15, 2nd number: 1 23/40

9/15 + 63/40 is 87/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 15 × 8 = 120,
    9/15 = 9 × 8/15 × 8 = 72/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    63/40 = 63 × 3/40 × 3 = 189/120
  4. Add the two like fractions:
    72/120 + 189/120 = 72 + 189/120 = 261/120
  5. 261/120 simplified gives 87/40
  6. So, 9/15 + 63/40 = 87/40
    In mixed form: 27/40

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