Add 45/18 and 20/32
1st number: 2 9/18, 2nd number: 20/32
45/18 + 20/32 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 32 is 288
Next, find the equivalent fraction of both fractional numbers with denominator 288 - For the 1st fraction, since 18 × 16 = 288,
45/18 = 45 × 16/18 × 16 = 720/288 - Likewise, for the 2nd fraction, since 32 × 9 = 288,
20/32 = 20 × 9/32 × 9 = 180/288 - Add the two like fractions:
720/288 + 180/288 = 720 + 180/288 = 900/288 - 900/288 simplified gives 25/8
- So, 45/18 + 20/32 = 25/8
In mixed form: 31/8
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