Add 18/15 and 72/54
1st number: 1 3/15, 2nd number: 1 18/54
18/15 + 72/54 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 15 × 18 = 270,
18/15 = 18 × 18/15 × 18 = 324/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
72/54 = 72 × 5/54 × 5 = 360/270 - Add the two like fractions:
324/270 + 360/270 = 324 + 360/270 = 684/270 - 684/270 simplified gives 38/15
- So, 18/15 + 72/54 = 38/15
In mixed form: 28/15
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