Add 35/21 and 70/81
1st number: 1 14/21, 2nd number: 70/81
35/21 + 70/81 is 205/81.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 21 × 27 = 567,
35/21 = 35 × 27/21 × 27 = 945/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
70/81 = 70 × 7/81 × 7 = 490/567 - Add the two like fractions:
945/567 + 490/567 = 945 + 490/567 = 1435/567 - 1435/567 simplified gives 205/81
- So, 35/21 + 70/81 = 205/81
In mixed form: 243/81
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