Add 84/36 and 45/80
1st number: 2 12/36, 2nd number: 45/80
84/36 + 45/80 is 139/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 36 × 20 = 720,
84/36 = 84 × 20/36 × 20 = 1680/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
45/80 = 45 × 9/80 × 9 = 405/720 - Add the two like fractions:
1680/720 + 405/720 = 1680 + 405/720 = 2085/720 - 2085/720 simplified gives 139/48
- So, 84/36 + 45/80 = 139/48
In mixed form: 243/48
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