Add 28/8 and 18/9
1st number: 3 4/8, 2nd number: 2 0/9
28/8 + 18/9 is 11/2.
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,
28/8 = 28 × 9/8 × 9 = 252/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
18/9 = 18 × 8/9 × 8 = 144/72 - Add the two like fractions:
252/72 + 144/72 = 252 + 144/72 = 396/72 - 396/72 simplified gives 11/2
- So, 28/8 + 18/9 = 11/2
In mixed form: 51/2
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