Add 70/42 and 60/54, Solve 1 28/42 + 1 6/54 as a fraction

Add 70/42 and 60/54

1^st number: 1 28/42, 2^nd number: 1 6/54

70/42 + 60/54 is 25/9.

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

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 42 × 9 = 378,
70/42 = 70 × 9/42 × 9 = 630/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
60/54 = 60 × 7/54 × 7 = 420/378
Add the two like fractions:
630/378 + 420/378 = 630 + 420/378 = 1050/378
1050/378 simplified gives 25/9
So, 70/42 + 60/54 = 25/9
In mixed form: 27/9

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