Add 84/72 and 80/20
1st number: 1 12/72, 2nd number: 4 0/20
84/72 + 80/20 is 31/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
80/20 = 80 × 18/20 × 18 = 1440/360 - Add the two like fractions:
420/360 + 1440/360 = 420 + 1440/360 = 1860/360 - 1860/360 simplified gives 31/6
- So, 84/72 + 80/20 = 31/6
In mixed form: 51/6
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