Add 84/54 and 90/84, Solve 1 30/54 + 1 6/84 as a fraction

Add 84/54 and 90/84

1^st number: 1 30/54, 2^nd number: 1 6/84

84/54 + 90/84 is 331/126.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 54 × 14 = 756,
84/54 = 84 × 14/54 × 14 = 1176/756
Likewise, for the 2nd fraction, since 84 × 9 = 756,
90/84 = 90 × 9/84 × 9 = 810/756
Add the two like fractions:
1176/756 + 810/756 = 1176 + 810/756 = 1986/756
1986/756 simplified gives 331/126
So, 84/54 + 90/84 = 331/126
In mixed form: 279/126

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