Add 28/72 and 25/18
1st number: 28/72, 2nd number: 1 7/18
28/72 + 25/18 is 16/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 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 18 × 4 = 72,
25/18 = 25 × 4/18 × 4 = 100/72 - Add the two like fractions:
28/72 + 100/72 = 28 + 100/72 = 128/72 - 128/72 simplified gives 16/9
- So, 28/72 + 25/18 = 16/9
In mixed form: 17/9
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