Add 70/54 and 40/42, Solve 1 16/54 + 40/42 as a fraction

Add 70/54 and 40/42

1^st number: 1 16/54, 2^nd number: 40/42

70/54 + 40/42 is 425/189.

Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 54 × 7 = 378,
70/54 = 70 × 7/54 × 7 = 490/378
Likewise, for the 2nd fraction, since 42 × 9 = 378,
40/42 = 40 × 9/42 × 9 = 360/378
Add the two like fractions:
490/378 + 360/378 = 490 + 360/378 = 850/378
850/378 simplified gives 425/189
So, 70/54 + 40/42 = 425/189
In mixed form: 247/189

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