Add 2/10 and 30/81
2/10 + 30/81 is 77/135.
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,
30/81 = 30 × 10/81 × 10 = 300/810 - Add the two like fractions:
162/810 + 300/810 = 162 + 300/810 = 462/810 - 462/810 simplified gives 77/135
- So, 2/10 + 30/81 = 77/135
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