Add 28/18 and 72/16
1st number: 1 10/18, 2nd number: 4 8/16
28/18 + 72/16 is 109/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
28/18 = 28 × 8/18 × 8 = 224/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
72/16 = 72 × 9/16 × 9 = 648/144 - Add the two like fractions:
224/144 + 648/144 = 224 + 648/144 = 872/144 - 872/144 simplified gives 109/18
- So, 28/18 + 72/16 = 109/18
In mixed form: 61/18
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