Add 9/42 and 70/49, Solve 9/42 + 1 21/49 as a fraction

Add 9/42 and 70/49

1^st number: 9/42, 2^nd number: 1 21/49

9/42 + 70/49 is 23/14.

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,
9/42 = 9 × 7/42 × 7 = 63/294
Likewise, for the 2nd fraction, since 49 × 6 = 294,
70/49 = 70 × 6/49 × 6 = 420/294
Add the two like fractions:
63/294 + 420/294 = 63 + 420/294 = 483/294
483/294 simplified gives 23/14
So, 9/42 + 70/49 = 23/14
In mixed form: 19/14

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