Add 12/42 and 49/10, Solve 12/42 + 4 9/10 as a fraction

Add 12/42 and 49/10

1^st number: 12/42, 2^nd number: 4 9/10

12/42 + 49/10 is 363/70.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
49/10 = 49 × 21/10 × 21 = 1029/210
Add the two like fractions:
60/210 + 1029/210 = 60 + 1029/210 = 1089/210
1089/210 simplified gives 363/70
So, 12/42 + 49/10 = 363/70
In mixed form: 513/70

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