Add 12/4 and 21/54
1st number: 3 0/4, 2nd number: 21/54
12/4 + 21/54 is 61/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
12/4 = 12 × 27/4 × 27 = 324/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
21/54 = 21 × 2/54 × 2 = 42/108 - Add the two like fractions:
324/108 + 42/108 = 324 + 42/108 = 366/108 - 366/108 simplified gives 61/18
- So, 12/4 + 21/54 = 61/18
In mixed form: 37/18
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