Add 20/28 and 9/18
20/28 + 9/18 is 17/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
20/28 = 20 × 9/28 × 9 = 180/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
9/18 = 9 × 14/18 × 14 = 126/252 - Add the two like fractions:
180/252 + 126/252 = 180 + 126/252 = 306/252 - 306/252 simplified gives 17/14
- So, 20/28 + 9/18 = 17/14
In mixed form: 13/14
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