Add 63/3 and 70/42, Solve 21 0/3 + 1 28/42 as a fraction

Add 63/3 and 70/42

1^st number: 21 0/3, 2^nd number: 1 28/42

63/3 + 70/42 is 68/3.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 3 × 14 = 42,
63/3 = 63 × 14/3 × 14 = 882/42
Likewise, for the 2nd fraction, since 42 × 1 = 42,
70/42 = 70 × 1/42 × 1 = 70/42
Add the two like fractions:
882/42 + 70/42 = 882 + 70/42 = 952/42
952/42 simplified gives 68/3
So, 63/3 + 70/42 = 68/3
In mixed form: 222/3

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