Add 70/81 and 8/9
70/81 + 8/9 is 142/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
70/81 = 70 × 1/81 × 1 = 70/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
8/9 = 8 × 9/9 × 9 = 72/81 - Add the two like fractions:
70/81 + 72/81 = 70 + 72/81 = 142/81 - So, 70/81 + 8/9 = 142/81
In mixed form: 161/81
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