Add 81/9 and 42/4
1st number: 9 0/9, 2nd number: 10 2/4
81/9 + 42/4 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
81/9 = 81 × 4/9 × 4 = 324/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
42/4 = 42 × 9/4 × 9 = 378/36 - Add the two like fractions:
324/36 + 378/36 = 324 + 378/36 = 702/36 - 702/36 simplified gives 39/2
- So, 81/9 + 42/4 = 39/2
In mixed form: 191/2
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