Add 15/42 and 90/49, Solve 15/42 + 1 41/49 as a fraction

Add 15/42 and 90/49

1^st number: 15/42, 2^nd number: 1 41/49

15/42 + 90/49 is 215/98.

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,
15/42 = 15 × 7/42 × 7 = 105/294
Likewise, for the 2nd fraction, since 49 × 6 = 294,
90/49 = 90 × 6/49 × 6 = 540/294
Add the two like fractions:
105/294 + 540/294 = 105 + 540/294 = 645/294
645/294 simplified gives 215/98
So, 15/42 + 90/49 = 215/98
In mixed form: 219/98

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