Add 72/90 and 18/36
72/90 + 18/36 is 13/10.
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,
18/36 = 18 × 5/36 × 5 = 90/180 - Add the two like fractions:
144/180 + 90/180 = 144 + 90/180 = 234/180 - 234/180 simplified gives 13/10
- So, 72/90 + 18/36 = 13/10
In mixed form: 13/10
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