Add 80/18 and 8/20
1st number: 4 8/18, 2nd number: 8/20
80/18 + 8/20 is 218/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
80/18 = 80 × 10/18 × 10 = 800/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
8/20 = 8 × 9/20 × 9 = 72/180 - Add the two like fractions:
800/180 + 72/180 = 800 + 72/180 = 872/180 - 872/180 simplified gives 218/45
- So, 80/18 + 8/20 = 218/45
In mixed form: 438/45
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