Add 20/72 and 18/9
1st number: 20/72, 2nd number: 2 0/9
20/72 + 18/9 is 41/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
20/72 = 20 × 1/72 × 1 = 20/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
18/9 = 18 × 8/9 × 8 = 144/72 - Add the two like fractions:
20/72 + 144/72 = 20 + 144/72 = 164/72 - 164/72 simplified gives 41/18
- So, 20/72 + 18/9 = 41/18
In mixed form: 25/18
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