Add 28/36 and 20/72
28/36 + 20/72 is 19/18.
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,
20/72 = 20 × 1/72 × 1 = 20/72 - Add the two like fractions:
56/72 + 20/72 = 56 + 20/72 = 76/72 - 76/72 simplified gives 19/18
- So, 28/36 + 20/72 = 19/18
In mixed form: 11/18
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