Add 45/24 and 20/42, Solve 1 21/24 + 20/42 as a fraction

Add 45/24 and 20/42

1^st number: 1 21/24, 2^nd number: 20/42

45/24 + 20/42 is 395/168.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 42 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 24 × 7 = 168,
45/24 = 45 × 7/24 × 7 = 315/168
Likewise, for the 2nd fraction, since 42 × 4 = 168,
20/42 = 20 × 4/42 × 4 = 80/168
Add the two like fractions:
315/168 + 80/168 = 315 + 80/168 = 395/168
So, 45/24 + 20/42 = 395/168
In mixed form: 259/168

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