Add 20/8 and 15/81
1st number: 2 4/8, 2nd number: 15/81
20/8 + 15/81 is 145/54.
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,
20/8 = 20 × 81/8 × 81 = 1620/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
15/81 = 15 × 8/81 × 8 = 120/648 - Add the two like fractions:
1620/648 + 120/648 = 1620 + 120/648 = 1740/648 - 1740/648 simplified gives 145/54
- So, 20/8 + 15/81 = 145/54
In mixed form: 237/54
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