Add 45/20 and 28/80
1st number: 2 5/20, 2nd number: 28/80
45/20 + 28/80 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
45/20 = 45 × 4/20 × 4 = 180/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80 - Add the two like fractions:
180/80 + 28/80 = 180 + 28/80 = 208/80 - 208/80 simplified gives 13/5
- So, 45/20 + 28/80 = 13/5
In mixed form: 23/5
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