Add 54/15 and 42/45
1st number: 3 9/15, 2nd number: 42/45
54/15 + 42/45 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
54/15 = 54 × 3/15 × 3 = 162/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Add the two like fractions:
162/45 + 42/45 = 162 + 42/45 = 204/45 - 204/45 simplified gives 68/15
- So, 54/15 + 42/45 = 68/15
In mixed form: 48/15
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