Add 15/90 and 1/81
15/90 + 1/81 is 29/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 90 × 9 = 810,
15/90 = 15 × 9/90 × 9 = 135/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
1/81 = 1 × 10/81 × 10 = 10/810 - Add the two like fractions:
135/810 + 10/810 = 135 + 10/810 = 145/810 - 145/810 simplified gives 29/162
- So, 15/90 + 1/81 = 29/162
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