Add 72/90 and 54/60
72/90 + 54/60 is 17/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 60 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 60 × 3 = 180,
54/60 = 54 × 3/60 × 3 = 162/180 - Add the two like fractions:
144/180 + 162/180 = 144 + 162/180 = 306/180 - 306/180 simplified gives 17/10
- So, 72/90 + 54/60 = 17/10
In mixed form: 17/10
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