Add 9/60 and 45/42, Solve 9/60 + 1 3/42 as a fraction

Add 9/60 and 45/42

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

9/60 + 45/42 is 171/140.

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,
9/60 = 9 × 7/60 × 7 = 63/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
45/42 = 45 × 10/42 × 10 = 450/420
Add the two like fractions:
63/420 + 450/420 = 63 + 450/420 = 513/420
513/420 simplified gives 171/140
So, 9/60 + 45/42 = 171/140
In mixed form: 131/140

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