Add 80/5 and 4/20
1st number: 16 0/5, 2nd number: 4/20
80/5 + 4/20 is 81/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
80/5 = 80 × 4/5 × 4 = 320/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
4/20 = 4 × 1/20 × 1 = 4/20 - Add the two like fractions:
320/20 + 4/20 = 320 + 4/20 = 324/20 - 324/20 simplified gives 81/5
- So, 80/5 + 4/20 = 81/5
In mixed form: 161/5
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