Add 21/42 and 63/49, Solve 21/42 + 1 14/49 as a fraction

Add 21/42 and 63/49

1^st number: 21/42, 2^nd number: 1 14/49

21/42 + 63/49 is 25/14.

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,
21/42 = 21 × 7/42 × 7 = 147/294
Likewise, for the 2nd fraction, since 49 × 6 = 294,
63/49 = 63 × 6/49 × 6 = 378/294
Add the two like fractions:
147/294 + 378/294 = 147 + 378/294 = 525/294
525/294 simplified gives 25/14
So, 21/42 + 63/49 = 25/14
In mixed form: 111/14

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