Add 72/27 and 20/5
1st number: 2 18/27, 2nd number: 4 0/5
72/27 + 20/5 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 5 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
72/27 = 72 × 5/27 × 5 = 360/135 - Likewise, for the 2nd fraction, since 5 × 27 = 135,
20/5 = 20 × 27/5 × 27 = 540/135 - Add the two like fractions:
360/135 + 540/135 = 360 + 540/135 = 900/135 - 900/135 simplified gives 20/3
- So, 72/27 + 20/5 = 20/3
In mixed form: 62/3
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