Add 30/20 and 84/72
1st number: 1 10/20, 2nd number: 1 12/72
30/20 + 84/72 is 8/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
30/20 = 30 × 18/20 × 18 = 540/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
84/72 = 84 × 5/72 × 5 = 420/360 - Add the two like fractions:
540/360 + 420/360 = 540 + 420/360 = 960/360 - 960/360 simplified gives 8/3
- So, 30/20 + 84/72 = 8/3
In mixed form: 22/3
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