Add 21/6 and 63/35, Solve 3 3/6 + 1 28/35 as a fraction

Add 21/6 and 63/35

1^st number: 3 3/6, 2^nd number: 1 28/35

21/6 + 63/35 is 53/10.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 35 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 6 × 35 = 210,
21/6 = 21 × 35/6 × 35 = 735/210
Likewise, for the 2nd fraction, since 35 × 6 = 210,
63/35 = 63 × 6/35 × 6 = 378/210
Add the two like fractions:
735/210 + 378/210 = 735 + 378/210 = 1113/210
1113/210 simplified gives 53/10
So, 21/6 + 63/35 = 53/10
In mixed form: 53/10

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