Add 40/42 and 63/30, Solve 40/42 + 2 3/30 as a fraction

Add 40/42 and 63/30

1^st number: 40/42, 2^nd number: 2 3/30

40/42 + 63/30 is 641/210.

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,
40/42 = 40 × 5/42 × 5 = 200/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210
Add the two like fractions:
200/210 + 441/210 = 200 + 441/210 = 641/210
So, 40/42 + 63/30 = 641/210
In mixed form: 311/210

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