Add 45/32 and 20/42, Solve 1 13/32 + 20/42 as a fraction

Add 45/32 and 20/42

1^st number: 1 13/32, 2^nd number: 20/42

45/32 + 20/42 is 1265/672.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 42 is 672

Next, find the equivalent fraction of both fractional numbers with denominator 672
For the 1st fraction, since 32 × 21 = 672,
45/32 = 45 × 21/32 × 21 = 945/672
Likewise, for the 2nd fraction, since 42 × 16 = 672,
20/42 = 20 × 16/42 × 16 = 320/672
Add the two like fractions:
945/672 + 320/672 = 945 + 320/672 = 1265/672
So, 45/32 + 20/42 = 1265/672
In mixed form: 1593/672

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