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Add 45/40 and 15/28

1st number: 1 5/40, 2nd number: 15/28

45/40 + 15/28 is 93/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 28 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 40 × 7 = 280,
    45/40 = 45 × 7/40 × 7 = 315/280
  3. Likewise, for the 2nd fraction, since 28 × 10 = 280,
    15/28 = 15 × 10/28 × 10 = 150/280
  4. Add the two like fractions:
    315/280 + 150/280 = 315 + 150/280 = 465/280
  5. 465/280 simplified gives 93/56
  6. So, 45/40 + 15/28 = 93/56
    In mixed form: 137/56

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