Add 72/8 and 40/81
1st number: 9 0/8, 2nd number: 40/81
72/8 + 40/81 is 769/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
72/8 = 72 × 81/8 × 81 = 5832/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
40/81 = 40 × 8/81 × 8 = 320/648 - Add the two like fractions:
5832/648 + 320/648 = 5832 + 320/648 = 6152/648 - 6152/648 simplified gives 769/81
- So, 72/8 + 40/81 = 769/81
In mixed form: 940/81
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