Add 9/60 and 96/21, Solve 9/60 + 4 12/21 as a fraction

Add 9/60 and 96/21

1^st number: 9/60, 2^nd number: 4 12/21

9/60 + 96/21 is 661/140.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 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 21 × 20 = 420,
96/21 = 96 × 20/21 × 20 = 1920/420
Add the two like fractions:
63/420 + 1920/420 = 63 + 1920/420 = 1983/420
1983/420 simplified gives 661/140
So, 9/60 + 96/21 = 661/140
In mixed form: 4101/140

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