Add 2/10 and 21/81
2/10 + 21/81 is 62/135.
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,
2/10 = 2 × 81/10 × 81 = 162/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
21/81 = 21 × 10/81 × 10 = 210/810 - Add the two like fractions:
162/810 + 210/810 = 162 + 210/810 = 372/810 - 372/810 simplified gives 62/135
- So, 2/10 + 21/81 = 62/135
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