Add 70/81 and 2/10
70/81 + 2/10 is 431/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
70/81 = 70 × 10/81 × 10 = 700/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
2/10 = 2 × 81/10 × 81 = 162/810 - Add the two like fractions:
700/810 + 162/810 = 700 + 162/810 = 862/810 - 862/810 simplified gives 431/405
- So, 70/81 + 2/10 = 431/405
In mixed form: 126/405
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