Add 4/81 and 70/40
1st number: 4/81, 2nd number: 1 30/40
4/81 + 70/40 is 583/324.
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,
70/40 = 70 × 81/40 × 81 = 5670/3240 - Add the two like fractions:
160/3240 + 5670/3240 = 160 + 5670/3240 = 5830/3240 - 5830/3240 simplified gives 583/324
- So, 4/81 + 70/40 = 583/324
In mixed form: 1259/324
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