Add 49/42 and 3/12, Solve 1 7/42 + 3/12 as a fraction

Add 49/42 and 3/12

1^st number: 1 7/42, 2^nd number: 3/12

49/42 + 3/12 is 17/12.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 42 × 2 = 84,
49/42 = 49 × 2/42 × 2 = 98/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84
Add the two like fractions:
98/84 + 21/84 = 98 + 21/84 = 119/84
119/84 simplified gives 17/12
So, 49/42 + 3/12 = 17/12
In mixed form: 15/12

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