Add 5/20 and 35/21, Solve 5/20 + 1 14/21 as a fraction

Add 5/20 and 35/21

1^st number: 5/20, 2^nd number: 1 14/21

5/20 + 35/21 is 23/12.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
5/20 = 5 × 21/20 × 21 = 105/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
35/21 = 35 × 20/21 × 20 = 700/420
Add the two like fractions:
105/420 + 700/420 = 105 + 700/420 = 805/420
805/420 simplified gives 23/12
So, 5/20 + 35/21 = 23/12
In mixed form: 111/12

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