Add 72/90 and 54/36
1st number: 72/90, 2nd number: 1 18/36
72/90 + 54/36 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
72/90 = 72 × 2/90 × 2 = 144/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
54/36 = 54 × 5/36 × 5 = 270/180 - Add the two like fractions:
144/180 + 270/180 = 144 + 270/180 = 414/180 - 414/180 simplified gives 23/10
- So, 72/90 + 54/36 = 23/10
In mixed form: 23/10
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