Add 54/18 and 42/15
1st number: 3 0/18, 2nd number: 2 12/15
54/18 + 42/15 is 29/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
54/18 = 54 × 5/18 × 5 = 270/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
42/15 = 42 × 6/15 × 6 = 252/90 - Add the two like fractions:
270/90 + 252/90 = 270 + 252/90 = 522/90 - 522/90 simplified gives 29/5
- So, 54/18 + 42/15 = 29/5
In mixed form: 54/5
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