Add 40/81 and 42/4
1st number: 40/81, 2nd number: 10 2/4
40/81 + 42/4 is 1781/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
40/81 = 40 × 4/81 × 4 = 160/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
42/4 = 42 × 81/4 × 81 = 3402/324 - Add the two like fractions:
160/324 + 3402/324 = 160 + 3402/324 = 3562/324 - 3562/324 simplified gives 1781/162
- So, 40/81 + 42/4 = 1781/162
In mixed form: 10161/162
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