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Add 45/90 and 40/7

1st number: 45/90, 2nd number: 5 5/7

45/90 + 40/7 is 87/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 7 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    45/90 = 45 × 7/90 × 7 = 315/630
  3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
    40/7 = 40 × 90/7 × 90 = 3600/630
  4. Add the two like fractions:
    315/630 + 3600/630 = 315 + 3600/630 = 3915/630
  5. 3915/630 simplified gives 87/14
  6. So, 45/90 + 40/7 = 87/14
    In mixed form: 63/14

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