Add 70/4 and 42/81
1st number: 17 2/4, 2nd number: 42/81
70/4 + 42/81 is 973/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
70/4 = 70 × 81/4 × 81 = 5670/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
42/81 = 42 × 4/81 × 4 = 168/324 - Add the two like fractions:
5670/324 + 168/324 = 5670 + 168/324 = 5838/324 - 5838/324 simplified gives 973/54
- So, 70/4 + 42/81 = 973/54
In mixed form: 181/54
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