Add 14/90 and 21/81
14/90 + 21/81 is 56/135.
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,
14/90 = 14 × 9/90 × 9 = 126/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
21/81 = 21 × 10/81 × 10 = 210/810 - Add the two like fractions:
126/810 + 210/810 = 126 + 210/810 = 336/810 - 336/810 simplified gives 56/135
- So, 14/90 + 21/81 = 56/135
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