Add 54/15 and 42/18
1st number: 3 9/15, 2nd number: 2 6/18
54/15 + 42/18 is 89/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
54/15 = 54 × 6/15 × 6 = 324/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
42/18 = 42 × 5/18 × 5 = 210/90 - Add the two like fractions:
324/90 + 210/90 = 324 + 210/90 = 534/90 - 534/90 simplified gives 89/15
- So, 54/15 + 42/18 = 89/15
In mixed form: 514/15
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