Add 70/81 and 3/8
70/81 + 3/8 is 803/648.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
70/81 = 70 × 8/81 × 8 = 560/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
3/8 = 3 × 81/8 × 81 = 243/648 - Add the two like fractions:
560/648 + 243/648 = 560 + 243/648 = 803/648 - So, 70/81 + 3/8 = 803/648
In mixed form: 1155/648
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