Add 28/72 and 12/8
1st number: 28/72, 2nd number: 1 4/8
28/72 + 12/8 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Add the two like fractions:
28/72 + 108/72 = 28 + 108/72 = 136/72 - 136/72 simplified gives 17/9
- So, 28/72 + 12/8 = 17/9
In mixed form: 18/9
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