Add 72/36 and 81/90
1st number: 2 0/36, 2nd number: 81/90
72/36 + 81/90 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
72/36 = 72 × 5/36 × 5 = 360/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
81/90 = 81 × 2/90 × 2 = 162/180 - Add the two like fractions:
360/180 + 162/180 = 360 + 162/180 = 522/180 - 522/180 simplified gives 29/10
- So, 72/36 + 81/90 = 29/10
In mixed form: 29/10
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