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Add 42/40 and 9/45

1st number: 1 2/40, 2nd number: 9/45

42/40 + 9/45 is 5/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 45 is 360
  2. For the 1st fraction, since 40 × 9 = 360,
    42/40 = 42 × 9/40 × 9 = 378/360
  3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
    9/45 = 9 × 8/45 × 8 = 72/360
  4. Add the two fractions:
    378/360 + 72/360 = 378 + 72/360 = 450/360
  5. 450/360 simplified gives 5/4
  6. So, 42/40 + 9/45 = 5/4
    In mixed form: 11/4

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