Add 15/8 and 25/81
1st number: 1 7/8, 2nd number: 25/81
15/8 + 25/81 is 1415/648.
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,
15/8 = 15 × 81/8 × 81 = 1215/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
25/81 = 25 × 8/81 × 8 = 200/648 - Add the two like fractions:
1215/648 + 200/648 = 1215 + 200/648 = 1415/648 - So, 15/8 + 25/81 = 1415/648
In mixed form: 2119/648
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