Add 9/20 and 56/42, Solve 9/20 + 1 14/42 as a fraction

Add 9/20 and 56/42

1^st number: 9/20, 2^nd number: 1 14/42

9/20 + 56/42 is 107/60.

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,
9/20 = 9 × 21/20 × 21 = 189/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
56/42 = 56 × 10/42 × 10 = 560/420
Add the two like fractions:
189/420 + 560/420 = 189 + 560/420 = 749/420
749/420 simplified gives 107/60
So, 9/20 + 56/42 = 107/60
In mixed form: 147/60

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