Add 54/42 and 30/60, Solve 1 12/42 + 30/60 as a fraction

Add 54/42 and 30/60

1^st number: 1 12/42, 2^nd number: 30/60

54/42 + 30/60 is 25/14.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 42 × 10 = 420,
54/42 = 54 × 10/42 × 10 = 540/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420
Add the two like fractions:
540/420 + 210/420 = 540 + 210/420 = 750/420
750/420 simplified gives 25/14
So, 54/42 + 30/60 = 25/14
In mixed form: 111/14

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