Add 54/15 and 28/30
1st number: 3 9/15, 2nd number: 28/30
54/15 + 28/30 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
54/15 = 54 × 2/15 × 2 = 108/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
28/30 = 28 × 1/30 × 1 = 28/30 - Add the two like fractions:
108/30 + 28/30 = 108 + 28/30 = 136/30 - 136/30 simplified gives 68/15
- So, 54/15 + 28/30 = 68/15
In mixed form: 48/15
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