Add 10/42 and 28/49, Solve 10/42 + 28/49 as a fraction

Add 10/42 and 28/49

10/42 + 28/49 is 17/21.

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,
10/42 = 10 × 7/42 × 7 = 70/294
Likewise, for the 2nd fraction, since 49 × 6 = 294,
28/49 = 28 × 6/49 × 6 = 168/294
Add the two like fractions:
70/294 + 168/294 = 70 + 168/294 = 238/294
238/294 simplified gives 17/21
So, 10/42 + 28/49 = 17/21

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