Add 80/45 and 20/80
1st number: 1 35/45, 2nd number: 20/80
80/45 + 20/80 is 73/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
80/45 = 80 × 16/45 × 16 = 1280/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Add the two like fractions:
1280/720 + 180/720 = 1280 + 180/720 = 1460/720 - 1460/720 simplified gives 73/36
- So, 80/45 + 20/80 = 73/36
In mixed form: 21/36
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