Add 63/2 and 70/42, Solve 31 1/2 + 1 28/42 as a fraction

Add 63/2 and 70/42

1^st number: 31 1/2, 2^nd number: 1 28/42

63/2 + 70/42 is 199/6.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 2 × 21 = 42,
63/2 = 63 × 21/2 × 21 = 1323/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
70/42 = 70 × 1/42 × 1 = 70/42
Add the two like fractions:
1323/42 + 70/42 = 1323 + 70/42 = 1393/42
1393/42 simplified gives 199/6
So, 63/2 + 70/42 = 199/6
In mixed form: 331/6

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