Add 54/90 and 30/15
1st number: 54/90, 2nd number: 2 0/15
54/90 + 30/15 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
30/15 = 30 × 6/15 × 6 = 180/90 - Add the two like fractions:
54/90 + 180/90 = 54 + 180/90 = 234/90 - 234/90 simplified gives 13/5
- So, 54/90 + 30/15 = 13/5
In mixed form: 23/5
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