Add 72/54 and 18/90
1st number: 1 18/54, 2nd number: 18/90
72/54 + 18/90 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
72/54 = 72 × 5/54 × 5 = 360/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
18/90 = 18 × 3/90 × 3 = 54/270 - Add the two like fractions:
360/270 + 54/270 = 360 + 54/270 = 414/270 - 414/270 simplified gives 23/15
- So, 72/54 + 18/90 = 23/15
In mixed form: 18/15
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