Add 20/14 and 42/45, Solve 1 6/14 + 42/45 as a fraction

Add 20/14 and 42/45

1^st number: 1 6/14, 2^nd number: 42/45

20/14 + 42/45 is 248/105.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 14 × 45 = 630,
20/14 = 20 × 45/14 × 45 = 900/630
Likewise, for the 2nd fraction, since 45 × 14 = 630,
42/45 = 42 × 14/45 × 14 = 588/630
Add the two like fractions:
900/630 + 588/630 = 900 + 588/630 = 1488/630
1488/630 simplified gives 248/105
So, 20/14 + 42/45 = 248/105
In mixed form: 238/105

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