Add 80/45 and 20/5
1st number: 1 35/45, 2nd number: 4 0/5
80/45 + 20/5 is 52/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 5 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
80/45 = 80 × 1/45 × 1 = 80/45 - Likewise, for the 2nd fraction, since 5 × 9 = 45,
20/5 = 20 × 9/5 × 9 = 180/45 - Add the two like fractions:
80/45 + 180/45 = 80 + 180/45 = 260/45 - 260/45 simplified gives 52/9
- So, 80/45 + 20/5 = 52/9
In mixed form: 57/9
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