Add 63/42 and 49/30, Solve 1 21/42 + 1 19/30 as a fraction

Add 63/42 and 49/30

1^st number: 1 21/42, 2^nd number: 1 19/30

63/42 + 49/30 is 47/15.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
63/42 = 63 × 5/42 × 5 = 315/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
49/30 = 49 × 7/30 × 7 = 343/210
Add the two like fractions:
315/210 + 343/210 = 315 + 343/210 = 658/210
658/210 simplified gives 47/15
So, 63/42 + 49/30 = 47/15
In mixed form: 32/15

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