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Add 70/72 and 90/40

1st number: 70/72, 2nd number: 2 10/40

70/72 + 90/40 is 29/9.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    70/72 = 70 × 5/72 × 5 = 350/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    90/40 = 90 × 9/40 × 9 = 810/360
  4. Add the two like fractions:
    350/360 + 810/360 = 350 + 810/360 = 1160/360
  5. 1160/360 simplified gives 29/9
  6. So, 70/72 + 90/40 = 29/9
    In mixed form: 32/9

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