Add 84/80 and 42/9
1st number: 1 4/80, 2nd number: 4 6/9
84/80 + 42/9 is 343/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 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 9 × 80 = 720,
42/9 = 42 × 80/9 × 80 = 3360/720 - Add the two like fractions:
756/720 + 3360/720 = 756 + 3360/720 = 4116/720 - 4116/720 simplified gives 343/60
- So, 84/80 + 42/9 = 343/60
In mixed form: 543/60
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