Add 12/54 and 15/7
1st number: 12/54, 2nd number: 2 1/7
12/54 + 15/7 is 149/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
12/54 = 12 × 7/54 × 7 = 84/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
15/7 = 15 × 54/7 × 54 = 810/378 - Add the two like fractions:
84/378 + 810/378 = 84 + 810/378 = 894/378 - 894/378 simplified gives 149/63
- So, 12/54 + 15/7 = 149/63
In mixed form: 223/63
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