Add 84/80 and 28/72
1st number: 1 4/80, 2nd number: 28/72
84/80 + 28/72 is 259/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 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 72 × 10 = 720,
28/72 = 28 × 10/72 × 10 = 280/720 - Add the two like fractions:
756/720 + 280/720 = 756 + 280/720 = 1036/720 - 1036/720 simplified gives 259/180
- So, 84/80 + 28/72 = 259/180
In mixed form: 179/180
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