Add 84/7 and 15/54
1st number: 12 0/7, 2nd number: 15/54
84/7 + 15/54 is 221/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
84/7 = 84 × 54/7 × 54 = 4536/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
15/54 = 15 × 7/54 × 7 = 105/378 - Add the two like fractions:
4536/378 + 105/378 = 4536 + 105/378 = 4641/378 - 4641/378 simplified gives 221/18
- So, 84/7 + 15/54 = 221/18
In mixed form: 125/18
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