Add 18/45 and 84/80
1st number: 18/45, 2nd number: 1 4/80
18/45 + 84/80 is 29/20.
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,
18/45 = 18 × 16/45 × 16 = 288/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
84/80 = 84 × 9/80 × 9 = 756/720 - Add the two like fractions:
288/720 + 756/720 = 288 + 756/720 = 1044/720 - 1044/720 simplified gives 29/20
- So, 18/45 + 84/80 = 29/20
In mixed form: 19/20
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