Add 72/42 and 14/20, Solve 1 30/42 + 14/20 as a fraction

Add 72/42 and 14/20

1^st number: 1 30/42, 2^nd number: 14/20

72/42 + 14/20 is 169/70.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 42 × 10 = 420,
72/42 = 72 × 10/42 × 10 = 720/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
14/20 = 14 × 21/20 × 21 = 294/420
Add the two like fractions:
720/420 + 294/420 = 720 + 294/420 = 1014/420
1014/420 simplified gives 169/70
So, 72/42 + 14/20 = 169/70
In mixed form: 229/70

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