Add 80/4 and 28/5
1st number: 20 0/4, 2nd number: 5 3/5
80/4 + 28/5 is 128/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
80/4 = 80 × 5/4 × 5 = 400/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
28/5 = 28 × 4/5 × 4 = 112/20 - Add the two like fractions:
400/20 + 112/20 = 400 + 112/20 = 512/20 - 512/20 simplified gives 128/5
- So, 80/4 + 28/5 = 128/5
In mixed form: 253/5
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