Add 84/20 and 64/9
1st number: 4 4/20, 2nd number: 7 1/9
84/20 + 64/9 is 509/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
84/20 = 84 × 9/20 × 9 = 756/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
64/9 = 64 × 20/9 × 20 = 1280/180 - Add the two like fractions:
756/180 + 1280/180 = 756 + 1280/180 = 2036/180 - 2036/180 simplified gives 509/45
- So, 84/20 + 64/9 = 509/45
In mixed form: 1114/45
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