Add 5/20 and 49/42, Solve 5/20 + 1 7/42 as a fraction

Add 5/20 and 49/42

1^st number: 5/20, 2^nd number: 1 7/42

5/20 + 49/42 is 17/12.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 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 42 × 10 = 420,
49/42 = 49 × 10/42 × 10 = 490/420
Add the two like fractions:
105/420 + 490/420 = 105 + 490/420 = 595/420
595/420 simplified gives 17/12
So, 5/20 + 49/42 = 17/12
In mixed form: 15/12

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