Add 5/10 and 70/81
5/10 + 70/81 is 221/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
5/10 = 5 × 81/10 × 81 = 405/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
70/81 = 70 × 10/81 × 10 = 700/810 - Add the two like fractions:
405/810 + 700/810 = 405 + 700/810 = 1105/810 - 1105/810 simplified gives 221/162
- So, 5/10 + 70/81 = 221/162
In mixed form: 159/162
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