Add 81/54 and 30/8
1st number: 1 27/54, 2nd number: 3 6/8
81/54 + 30/8 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
81/54 = 81 × 4/54 × 4 = 324/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
30/8 = 30 × 27/8 × 27 = 810/216 - Add the two like fractions:
324/216 + 810/216 = 324 + 810/216 = 1134/216 - 1134/216 simplified gives 21/4
- So, 81/54 + 30/8 = 21/4
In mixed form: 51/4
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