Add 54/18 and 20/8
1st number: 3 0/18, 2nd number: 2 4/8
54/18 + 20/8 is 11/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
54/18 = 54 × 4/18 × 4 = 216/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
20/8 = 20 × 9/8 × 9 = 180/72 - Add the two like fractions:
216/72 + 180/72 = 216 + 180/72 = 396/72 - 396/72 simplified gives 11/2
- So, 54/18 + 20/8 = 11/2
In mixed form: 51/2
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