Add 54/18 and 90/7
1st number: 3 0/18, 2nd number: 12 6/7
54/18 + 90/7 is 111/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
54/18 = 54 × 7/18 × 7 = 378/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
90/7 = 90 × 18/7 × 18 = 1620/126 - Add the two like fractions:
378/126 + 1620/126 = 378 + 1620/126 = 1998/126 - 1998/126 simplified gives 111/7
- So, 54/18 + 90/7 = 111/7
In mixed form: 156/7
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