Add 4/81 and 30/40
4/81 + 30/40 is 259/324.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 40 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 81 × 40 = 3240,
4/81 = 4 × 40/81 × 40 = 160/3240 - Likewise, for the 2nd fraction, since 40 × 81 = 3240,
30/40 = 30 × 81/40 × 81 = 2430/3240 - Add the two like fractions:
160/3240 + 2430/3240 = 160 + 2430/3240 = 2590/3240 - 2590/3240 simplified gives 259/324
- So, 4/81 + 30/40 = 259/324
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