Add 9/60 and 63/35, Solve 9/60 + 1 28/35 as a fraction

Add 9/60 and 63/35

1^st number: 9/60, 2^nd number: 1 28/35

9/60 + 63/35 is 39/20.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 35 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 35 × 12 = 420,
63/35 = 63 × 12/35 × 12 = 756/420
Add the two like fractions:
63/420 + 756/420 = 63 + 756/420 = 819/420
819/420 simplified gives 39/20
So, 9/60 + 63/35 = 39/20
In mixed form: 119/20

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