Add 6/35 and 21/12, Solve 6/35 + 1 9/12 as a fraction

Add 6/35 and 21/12

1^st number: 6/35, 2^nd number: 1 9/12

6/35 + 21/12 is 269/140.

Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 35 × 12 = 420,
6/35 = 6 × 12/35 × 12 = 72/420
Likewise, for the 2nd fraction, since 12 × 35 = 420,
21/12 = 21 × 35/12 × 35 = 735/420
Add the two like fractions:
72/420 + 735/420 = 72 + 735/420 = 807/420
807/420 simplified gives 269/140
So, 6/35 + 21/12 = 269/140
In mixed form: 1129/140

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