Add 18/4 and 20/72
1st number: 4 2/4, 2nd number: 20/72
18/4 + 20/72 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
18/4 = 18 × 18/4 × 18 = 324/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Add the two like fractions:
324/72 + 20/72 = 324 + 20/72 = 344/72 - 344/72 simplified gives 43/9
- So, 18/4 + 20/72 = 43/9
In mixed form: 47/9
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