Add 14/20 and 70/42, Solve 14/20 + 1 28/42 as a fraction

Add 14/20 and 70/42

1^st number: 14/20, 2^nd number: 1 28/42

14/20 + 70/42 is 71/30.

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,
14/20 = 14 × 21/20 × 21 = 294/420
Likewise, for the 2nd fraction, since 42 × 10 = 420,
70/42 = 70 × 10/42 × 10 = 700/420
Add the two like fractions:
294/420 + 700/420 = 294 + 700/420 = 994/420
994/420 simplified gives 71/30
So, 14/20 + 70/42 = 71/30
In mixed form: 211/30

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