Add 12/80 and 20/18
1st number: 12/80, 2nd number: 1 2/18
12/80 + 20/18 is 227/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 18 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
12/80 = 12 × 9/80 × 9 = 108/720 - Likewise, for the 2nd fraction, since 18 × 40 = 720,
20/18 = 20 × 40/18 × 40 = 800/720 - Add the two like fractions:
108/720 + 800/720 = 108 + 800/720 = 908/720 - 908/720 simplified gives 227/180
- So, 12/80 + 20/18 = 227/180
In mixed form: 147/180
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