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Add 40/30 and 90/72

1st number: 1 10/30, 2nd number: 1 18/72

40/30 + 90/72 is 31/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 72 is 360
  2. For the 1st fraction, since 30 × 12 = 360,
    40/30 = 40 × 12/30 × 12 = 480/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    90/72 = 90 × 5/72 × 5 = 450/360
  4. Add the two fractions:
    480/360 + 450/360 = 480 + 450/360 = 930/360
  5. 930/360 simplified gives 31/12
  6. So, 40/30 + 90/72 = 31/12
    In mixed form: 27/12

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