Add 15/98 and 30/21
1st number: 15/98, 2nd number: 1 9/21
15/98 + 30/21 is 155/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
15/98 = 15 × 3/98 × 3 = 45/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
30/21 = 30 × 14/21 × 14 = 420/294 - Add the two like fractions:
45/294 + 420/294 = 45 + 420/294 = 465/294 - 465/294 simplified gives 155/98
- So, 15/98 + 30/21 = 155/98
In mixed form: 157/98
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