Add 8/81 and 81/70
1st number: 8/81, 2nd number: 1 11/70
8/81 + 81/70 is 7121/5670.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 70 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 81 × 70 = 5670,
8/81 = 8 × 70/81 × 70 = 560/5670 - Likewise, for the 2nd fraction, since 70 × 81 = 5670,
81/70 = 81 × 81/70 × 81 = 6561/5670 - Add the two like fractions:
560/5670 + 6561/5670 = 560 + 6561/5670 = 7121/5670 - So, 8/81 + 81/70 = 7121/5670
In mixed form: 11451/5670
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