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Add 40/4 and 42/90

1st number: 10 0/4, 2nd number: 42/90

40/4 + 42/90 is 157/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    40/4 = 40 × 45/4 × 45 = 1800/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    42/90 = 42 × 2/90 × 2 = 84/180
  4. Add the two like fractions:
    1800/180 + 84/180 = 1800 + 84/180 = 1884/180
  5. 1884/180 simplified gives 157/15
  6. So, 40/4 + 42/90 = 157/15
    In mixed form: 107/15

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