Add 20/80 and 18/5
1st number: 20/80, 2nd number: 3 3/5
20/80 + 18/5 is 77/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
18/5 = 18 × 16/5 × 16 = 288/80 - Add the two like fractions:
20/80 + 288/80 = 20 + 288/80 = 308/80 - 308/80 simplified gives 77/20
- So, 20/80 + 18/5 = 77/20
In mixed form: 317/20
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