Add 2/40 and 35/81
2/40 + 35/81 is 781/1620.
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,
2/40 = 2 × 81/40 × 81 = 162/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
35/81 = 35 × 40/81 × 40 = 1400/3240 - Add the two like fractions:
162/3240 + 1400/3240 = 162 + 1400/3240 = 1562/3240 - 1562/3240 simplified gives 781/1620
- So, 2/40 + 35/81 = 781/1620
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