Add 84/80 and 9/45
1st number: 1 4/80, 2nd number: 9/45
84/80 + 9/45 is 5/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
9/45 = 9 × 16/45 × 16 = 144/720 - Add the two like fractions:
756/720 + 144/720 = 756 + 144/720 = 900/720 - 900/720 simplified gives 5/4
- So, 84/80 + 9/45 = 5/4
In mixed form: 11/4
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