Add 84/80 and 64/90
1st number: 1 4/80, 2nd number: 64/90
84/80 + 64/90 is 317/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 90 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 90 × 8 = 720,
64/90 = 64 × 8/90 × 8 = 512/720 - Add the two like fractions:
756/720 + 512/720 = 756 + 512/720 = 1268/720 - 1268/720 simplified gives 317/180
- So, 84/80 + 64/90 = 317/180
In mixed form: 1137/180
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