Add 54/15 and 81/90
1st number: 3 9/15, 2nd number: 81/90
54/15 + 81/90 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 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 90 × 1 = 90,
81/90 = 81 × 1/90 × 1 = 81/90 - Add the two like fractions:
324/90 + 81/90 = 324 + 81/90 = 405/90 - 405/90 simplified gives 9/2
- So, 54/15 + 81/90 = 9/2
In mixed form: 41/2
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