Add 28/36 and 80/72
1st number: 28/36, 2nd number: 1 8/72
28/36 + 80/72 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
28/36 = 28 × 2/36 × 2 = 56/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
80/72 = 80 × 1/72 × 1 = 80/72 - Add the two like fractions:
56/72 + 80/72 = 56 + 80/72 = 136/72 - 136/72 simplified gives 17/9
- So, 28/36 + 80/72 = 17/9
In mixed form: 18/9
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