Add 81/45 and 72/36
1st number: 1 36/45, 2nd number: 2 0/36
81/45 + 72/36 is 19/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
81/45 = 81 × 4/45 × 4 = 324/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
72/36 = 72 × 5/36 × 5 = 360/180 - Add the two like fractions:
324/180 + 360/180 = 324 + 360/180 = 684/180 - 684/180 simplified gives 19/5
- So, 81/45 + 72/36 = 19/5
In mixed form: 34/5
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