Add 5/42 and 70/49, Solve 5/42 + 1 21/49 as a fraction

Add 5/42 and 70/49

1^st number: 5/42, 2^nd number: 1 21/49

5/42 + 70/49 is 65/42.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 49 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 42 × 7 = 294,
5/42 = 5 × 7/42 × 7 = 35/294
Likewise, for the 2nd fraction, since 49 × 6 = 294,
70/49 = 70 × 6/49 × 6 = 420/294
Add the two like fractions:
35/294 + 420/294 = 35 + 420/294 = 455/294
455/294 simplified gives 65/42
So, 5/42 + 70/49 = 65/42
In mixed form: 123/42

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