Add 84/18 and 36/20
1st number: 4 12/18, 2nd number: 1 16/20
84/18 + 36/20 is 97/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
84/18 = 84 × 10/18 × 10 = 840/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
36/20 = 36 × 9/20 × 9 = 324/180 - Add the two like fractions:
840/180 + 324/180 = 840 + 324/180 = 1164/180 - 1164/180 simplified gives 97/15
- So, 84/18 + 36/20 = 97/15
In mixed form: 67/15
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