Add 63/42 and 80/6, Solve 1 21/42 + 13 2/6 as a fraction

Add 63/42 and 80/6

1^st number: 1 21/42, 2^nd number: 13 2/6

63/42 + 80/6 is 89/6.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 6 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
63/42 = 63 × 1/42 × 1 = 63/42
Likewise, for the 2nd fraction, since 6 × 7 = 42,
80/6 = 80 × 7/6 × 7 = 560/42
Add the two like fractions:
63/42 + 560/42 = 63 + 560/42 = 623/42
623/42 simplified gives 89/6
So, 63/42 + 80/6 = 89/6
In mixed form: 145/6

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