Add 63/98 and 15/21
63/98 + 15/21 is 19/14.
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,
63/98 = 63 × 3/98 × 3 = 189/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
15/21 = 15 × 14/21 × 14 = 210/294 - Add the two like fractions:
189/294 + 210/294 = 189 + 210/294 = 399/294 - 399/294 simplified gives 19/14
- So, 63/98 + 15/21 = 19/14
In mixed form: 15/14
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