Add 8/9 and 28/72
8/9 + 28/72 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
8/9 = 8 × 8/9 × 8 = 64/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Add the two like fractions:
64/72 + 28/72 = 64 + 28/72 = 92/72 - 92/72 simplified gives 23/18
- So, 8/9 + 28/72 = 23/18
In mixed form: 15/18
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