Add 21/8 and 12/54
1st number: 2 5/8, 2nd number: 12/54
21/8 + 12/54 is 205/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
21/8 = 21 × 27/8 × 27 = 567/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
12/54 = 12 × 4/54 × 4 = 48/216 - Add the two like fractions:
567/216 + 48/216 = 567 + 48/216 = 615/216 - 615/216 simplified gives 205/72
- So, 21/8 + 12/54 = 205/72
In mixed form: 261/72
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