Add 20/42 and 7/5, Solve 20/42 + 1 2/5 as a fraction

Add 20/42 and 7/5

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

20/42 + 7/5 is 197/105.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
20/42 = 20 × 5/42 × 5 = 100/210
Likewise, for the 2nd fraction, since 5 × 42 = 210,
7/5 = 7 × 42/5 × 42 = 294/210
Add the two like fractions:
100/210 + 294/210 = 100 + 294/210 = 394/210
394/210 simplified gives 197/105
So, 20/42 + 7/5 = 197/105
In mixed form: 192/105

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