Add 10/81 and 20/7
1st number: 10/81, 2nd number: 2 6/7
10/81 + 20/7 is 1690/567.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
10/81 = 10 × 7/81 × 7 = 70/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
20/7 = 20 × 81/7 × 81 = 1620/567 - Add the two like fractions:
70/567 + 1620/567 = 70 + 1620/567 = 1690/567 - So, 10/81 + 20/7 = 1690/567
In mixed form: 2556/567
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