Add 9/35 and 45/21, Solve 9/35 + 2 3/21 as a fraction

Add 9/35 and 45/21

1^st number: 9/35, 2^nd number: 2 3/21

9/35 + 45/21 is 12/5.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 35 × 3 = 105,
9/35 = 9 × 3/35 × 3 = 27/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
45/21 = 45 × 5/21 × 5 = 225/105
Add the two like fractions:
27/105 + 225/105 = 27 + 225/105 = 252/105
252/105 simplified gives 12/5
So, 9/35 + 45/21 = 12/5
In mixed form: 22/5

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