Add 4/40 and 36/81
4/40 + 36/81 is 49/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 81 is 3240
Next, find the equivalent fraction of both fractional numbers with denominator 3240 - For the 1st fraction, since 40 × 81 = 3240,
4/40 = 4 × 81/40 × 81 = 324/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
36/81 = 36 × 40/81 × 40 = 1440/3240 - Add the two like fractions:
324/3240 + 1440/3240 = 324 + 1440/3240 = 1764/3240 - 1764/3240 simplified gives 49/90
- So, 4/40 + 36/81 = 49/90
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