Add 70/54 and 21/4, Solve 1 16/54 + 5 1/4 as a fraction

Add 70/54 and 21/4

1^st number: 1 16/54, 2^nd number: 5 1/4

70/54 + 21/4 is 707/108.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 4 is 108

Next, find the equivalent fraction of both fractional numbers with denominator 108
For the 1st fraction, since 54 × 2 = 108,
70/54 = 70 × 2/54 × 2 = 140/108
Likewise, for the 2nd fraction, since 4 × 27 = 108,
21/4 = 21 × 27/4 × 27 = 567/108
Add the two like fractions:
140/108 + 567/108 = 140 + 567/108 = 707/108
So, 70/54 + 21/4 = 707/108
In mixed form: 659/108

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