Add 80/45 and 20/16
1st number: 1 35/45, 2nd number: 1 4/16
80/45 + 20/16 is 109/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 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 16 × 45 = 720,
20/16 = 20 × 45/16 × 45 = 900/720 - Add the two like fractions:
1280/720 + 900/720 = 1280 + 900/720 = 2180/720 - 2180/720 simplified gives 109/36
- So, 80/45 + 20/16 = 109/36
In mixed form: 31/36
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