Add 6/40 and 84/81
1st number: 6/40, 2nd number: 1 3/81
6/40 + 84/81 is 641/540.
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,
6/40 = 6 × 81/40 × 81 = 486/3240 - Likewise, for the 2nd fraction, since 81 × 40 = 3240,
84/81 = 84 × 40/81 × 40 = 3360/3240 - Add the two like fractions:
486/3240 + 3360/3240 = 486 + 3360/3240 = 3846/3240 - 3846/3240 simplified gives 641/540
- So, 6/40 + 84/81 = 641/540
In mixed form: 1101/540
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