Add 18/8 and 42/9
1st number: 2 2/8, 2nd number: 4 6/9
18/8 + 42/9 is 83/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
18/8 = 18 × 9/8 × 9 = 162/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
42/9 = 42 × 8/9 × 8 = 336/72 - Add the two like fractions:
162/72 + 336/72 = 162 + 336/72 = 498/72 - 498/72 simplified gives 83/12
- So, 18/8 + 42/9 = 83/12
In mixed form: 611/12
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