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Add 40/48 and 42/90

40/48 + 42/90 is 13/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    40/48 = 40 × 15/48 × 15 = 600/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    42/90 = 42 × 8/90 × 8 = 336/720
  4. Add the two like fractions:
    600/720 + 336/720 = 600 + 336/720 = 936/720
  5. 936/720 simplified gives 13/10
  6. So, 40/48 + 42/90 = 13/10
    In mixed form: 13/10

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