Add 40/81 and 4/8
40/81 + 4/8 is 161/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
40/81 = 40 × 8/81 × 8 = 320/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
4/8 = 4 × 81/8 × 81 = 324/648 - Add the two like fractions:
320/648 + 324/648 = 320 + 324/648 = 644/648 - 644/648 simplified gives 161/162
- So, 40/81 + 4/8 = 161/162
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