Add 63/60 and 9/42, Solve 1 3/60 + 9/42 as a fraction

Add 63/60 and 9/42

1^st number: 1 3/60, 2^nd number: 9/42

63/60 + 9/42 is 177/140.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
63/60 = 63 × 7/60 × 7 = 441/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
9/42 = 9 × 10/42 × 10 = 90/420
Add the two like fractions:
441/420 + 90/420 = 441 + 90/420 = 531/420
531/420 simplified gives 177/140
So, 63/60 + 9/42 = 177/140
In mixed form: 137/140

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